11012020 has 24 divisors (see below), whose sum is σ = 24343200. Its totient is φ = 4172832.

The previous prime is 11012017. The next prime is 11012033. The reversal of 11012020 is 2021011.

It is a junction number, because it is equal to n+sod(n) for n = 11011994 and 11012012.

It is a congruent number.

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, 14110 + ... + 14869.

It is an arithmetic number, because the mean of its divisors is an integer number (1014300).

Almost surely, 2^11012020 is an apocalyptic number.

11012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012020 is an abundant number, since it is smaller than the sum of its proper divisors (13331180).

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

11012020 is a wasteful number, since it uses less digits than its factorization.

11012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29007 (or 29005 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 11012020 is about 3318.4363787784. The cubic root of 11012020 is about 222.4789863587.

Adding to 11012020 its reverse (2021011), we get a palindrome (13033031).

The spelling of 11012020 in words is "eleven million, twelve thousand, twenty".