10102220020 has 48 divisors (see below), whose sum is σ = 21342888000. Its totient is φ = 4016517120.

The previous prime is 10102219937. The next prime is 10102220027. The reversal of 10102220020 is 2002220101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10102219979 and 10102220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102220027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5945131 + ... + 5946829.

It is an arithmetic number, because the mean of its divisors is an integer number (444643500).

Almost surely, 2^10102220020 is an apocalyptic number.

10102220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102220020 is an abundant number, since it is smaller than the sum of its proper divisors (11240667980).

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

10102220020 is a wasteful number, since it uses less digits than its factorization.

10102220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3326 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10102220020 its reverse (2002220101), we get a palindrome (12104440121).

The spelling of 10102220020 in words is "ten billion, one hundred two million, two hundred twenty thousand, twenty".