20102430613734 has 48 divisors (see below), whose sum is σ = 49804195502880. Its totient is φ = 5740465265280.

The previous prime is 20102430613723. The next prime is 20102430613787. The reversal of 20102430613734 is 43731603420102.

20102430613734 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 2 + 4 + 3 + 0 + 613 + 7 + 34 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42630399 + ... + 43099370.

It is an arithmetic number, because the mean of its divisors is an integer number (1037587406310).

Almost surely, 2^{20102430613734} is an apocalyptic number.

20102430613734 is an abundant number, since it is smaller than the sum of its proper divisors (29701764889146).

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

20102430613734 is a wasteful number, since it uses less digits than its factorization.

20102430613734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85731645 (or 85731642 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 20102430613734 in words is "twenty trillion, one hundred two billion, four hundred thirty million, six hundred thirteen thousand, seven hundred thirty-four".