11922030520 has 16 divisors (see below), whose sum is σ = 26824568760. Its totient is φ = 4768812192.

The previous prime is 11922030509. The next prime is 11922030539. The reversal of 11922030520 is 2503022911.

It is a happy number.

It is a super-2 number, since 2×11922030520² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149025342 + ... + 149025421.

Almost surely, 2^11922030520 is an apocalyptic number.

11922030520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11922030520 is an abundant number, since it is smaller than the sum of its proper divisors (14902538240).

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

11922030520 is a wasteful number, since it uses less digits than its factorization.

11922030520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298050774 (or 298050770 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 11922030520 in words is "eleven billion, nine hundred twenty-two million, thirty thousand, five hundred twenty".