20113064264 has 8 divisors (see below), whose sum is σ = 37711995510. Its totient is φ = 10056532128.

The previous prime is 20113064243. The next prime is 20113064291. The reversal of 20113064264 is 46246031102.

It can be written as a sum of positive squares in only one way, i.e., 13379548900 + 6733515364 = 115670^2 + 82058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257066509 + ... + 1257066524.

Almost surely, 2^20113064264 is an apocalyptic number.

It is an amenable number.

20113064264 is a deficient number, since it is larger than the sum of its proper divisors (17598931246).

20113064264 is a wasteful number, since it uses less digits than its factorization.

20113064264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514133039 (or 2514133035 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20113064264 its reverse (46246031102), we get a palindrome (66359095366).

The spelling of 20113064264 in words is "twenty billion, one hundred thirteen million, sixty-four thousand, two hundred sixty-four".