20311010261052 has 96 divisors (see below), whose sum is σ = 55488811574784. Its totient is φ = 5661087667200.

The previous prime is 20311010261039. The next prime is 20311010261053. The reversal of 20311010261052 is 25016201011302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311010261053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38174283 + ... + 38702685.

It is an arithmetic number, because the mean of its divisors is an integer number (578008453904).

Almost surely, 2^{20311010261052} is an apocalyptic number.

It is an amenable number.

20311010261052 is an abundant number, since it is smaller than the sum of its proper divisors (35177801313732).

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

20311010261052 is a wasteful number, since it uses less digits than its factorization.

20311010261052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539619 (or 539617 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 20311010261052 its reverse (25016201011302), we get a palindrome (45327211272354).

The spelling of 20311010261052 in words is "twenty trillion, three hundred eleven billion, ten million, two hundred sixty-one thousand, fifty-two".