20038134312 has 96 divisors (see below), whose sum is σ = 65287185600. Its totient is φ = 5423853312.

The previous prime is 20038134287. The next prime is 20038134317. The reversal of 20038134312 is 21343183002.

It is not an unprimeable number, because it can be changed into a prime (20038134317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1036693 + ... + 1055844.

It is an arithmetic number, because the mean of its divisors is an integer number (680074850).

Almost surely, 2^20038134312 is an apocalyptic number.

It is an amenable number.

20038134312 is an abundant number, since it is smaller than the sum of its proper divisors (45249051288).

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

20038134312 is a wasteful number, since it uses less digits than its factorization.

20038134312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092575 (or 2092568 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 20038134312 in words is "twenty billion, thirty-eight million, one hundred thirty-four thousand, three hundred twelve".