20002031012310 has 32 divisors (see below), whose sum is σ = 48011502712320. Its totient is φ = 5333138460768.

The previous prime is 20002031012297. The next prime is 20002031012311. The reversal of 20002031012310 is 1321013020002.

It is a super-2 number, since 2×20002031012310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20002031012310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002031012311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45808830 + ... + 46243409.

It is an arithmetic number, because the mean of its divisors is an integer number (1500359459760).

Almost surely, 2^{20002031012310} is an apocalyptic number.

20002031012310 is an abundant number, since it is smaller than the sum of its proper divisors (28009471700010).

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

20002031012310 is a wasteful number, since it uses less digits than its factorization.

20002031012310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92059492.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20002031012310 its reverse (1321013020002), we get a palindrome (21323044032312).

The spelling of 20002031012310 in words is "twenty trillion, two billion, thirty-one million, twelve thousand, three hundred ten".