20052753090868 has 6 divisors (see below), whose sum is σ = 35092317909026. Its totient is φ = 10026376545432.

The previous prime is 20052753090863. The next prime is 20052753090869. The reversal of 20052753090868 is 86809035725002.

It can be written as a sum of positive squares in only one way, i.e., 15808114787364 + 4244638303504 = 3975942^2 + 2060252^2 .

It is a super-2 number, since 2×20052753090868² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052753090863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506594136355 + ... + 2506594136362.

Almost surely, 2^{20052753090868} is an apocalyptic number.

It is an amenable number.

20052753090868 is a deficient number, since it is larger than the sum of its proper divisors (15039564818158).

20052753090868 is a wasteful number, since it uses less digits than its factorization.

20052753090868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013188272721 (or 5013188272719 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 20052753090868 in words is "twenty trillion, fifty-two billion, seven hundred fifty-three million, ninety thousand, eight hundred sixty-eight".