20120523354 has 24 divisors (see below), whose sum is σ = 43612732800. Its totient is φ = 6704031048.

The previous prime is 20120523337. The next prime is 20120523359. The reversal of 20120523354 is 45332502102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20120523359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189792 + ... + 276155.

It is an arithmetic number, because the mean of its divisors is an integer number (1817197200).

Almost surely, 2^20120523354 is an apocalyptic number.

20120523354 is an abundant number, since it is smaller than the sum of its proper divisors (23492209446).

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

20120523354 is a wasteful number, since it uses less digits than its factorization.

20120523354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468354 (or 468351 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 20120523354 in words is "twenty billion, one hundred twenty million, five hundred twenty-three thousand, three hundred fifty-four".