20412080655738 has 32 divisors (see below), whose sum is σ = 40840394861376. Its totient is φ = 6801321804288.

The previous prime is 20412080655677. The next prime is 20412080655749. The reversal of 20412080655738 is 83755608021402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175464720 + ... + 175581012.

It is an arithmetic number, because the mean of its divisors is an integer number (1276262339418).

Almost surely, 2^{20412080655738} is an apocalyptic number.

20412080655738 is an abundant number, since it is smaller than the sum of its proper divisors (20428314205638).

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

20412080655738 is a wasteful number, since it uses less digits than its factorization.

20412080655738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127678.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 20412080655738 in words is "twenty trillion, four hundred twelve billion, eighty million, six hundred fifty-five thousand, seven hundred thirty-eight".