20232161657430 has 16 divisors (see below), whose sum is σ = 48557187977904. Its totient is φ = 5395243108640.

The previous prime is 20232161657399. The next prime is 20232161657483. The reversal of 20232161657430 is 3475616123202.

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, 337202694261 + ... + 337202694320.

It is an arithmetic number, because the mean of its divisors is an integer number (3034824248619).

Almost surely, 2^{20232161657430} is an apocalyptic number.

20232161657430 is an abundant number, since it is smaller than the sum of its proper divisors (28325026320474).

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

20232161657430 is a wasteful number, since it uses less digits than its factorization.

20232161657430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674405388591.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20232161657430 in words is "twenty trillion, two hundred thirty-two billion, one hundred sixty-one million, six hundred fifty-seven thousand, four hundred thirty".