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10022020 = 2252321787
BaseRepresentation
bin100110001110…
…110010000100
3200212011121221
4212032302010
510031201040
6554450124
7151120501
oct46166204
920764557
1010022020
115725768
123433944
1320cb8b8
14148c4a8
15d2e74a
hex98ec84

10022020 has 24 divisors (see below), whose sum is σ = 21962304. Its totient is φ = 3834336.

The previous prime is 10022017. The next prime is 10022041. The reversal of 10022020 is 2022001.

10022020 = T47 + T48 + ... + T391.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021994 and 10022012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10434 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (915096).

Almost surely, 210022020 is an apocalyptic number.

10022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10022020 is an abundant number, since it is smaller than the sum of its proper divisors (11940284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10022020 is a wasteful number, since it uses less digits than its factorization.

10022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21819 (or 21817 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 10022020 is about 3165.7574133215. The cubic root of 10022020 is about 215.6014885798.

Adding to 10022020 its reverse (2022001), we get a palindrome (12044021).

The spelling of 10022020 in words is "ten million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 21787 43574 87148 108935 217870 435740 501101 1002202 2004404 2505505 5011010 10022020