20123524146 has 16 divisors (see below), whose sum is σ = 43905871008. Its totient is φ = 6098037600.

The previous prime is 20123524139. The next prime is 20123524181. The reversal of 20123524146 is 64142532102.

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, 152450875 + ... + 152451006.

It is an arithmetic number, because the mean of its divisors is an integer number (2744116938).

Almost surely, 2^20123524146 is an apocalyptic number.

20123524146 is an abundant number, since it is smaller than the sum of its proper divisors (23782346862).

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

20123524146 is a wasteful number, since it uses less digits than its factorization.

20123524146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304901897.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 20123524146 in words is "twenty billion, one hundred twenty-three million, five hundred twenty-four thousand, one hundred forty-six".