20312625010344 has 64 divisors (see below), whose sum is σ = 51599475877440. Its totient is φ = 6662260523520.

The previous prime is 20312625010343. The next prime is 20312625010357. The reversal of 20312625010344 is 44301052621302.

It is a super-2 number, since 2×20312625010344² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20312625010343) 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, 13031962 + ... + 14507145.

It is an arithmetic number, because the mean of its divisors is an integer number (806241810585).

Almost surely, 2^{20312625010344} is an apocalyptic number.

20312625010344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20312625010344 is an abundant number, since it is smaller than the sum of its proper divisors (31286850867096).

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

20312625010344 is a wasteful number, since it uses less digits than its factorization.

20312625010344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27539610 (or 27539606 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 20312625010344 its reverse (44301052621302), we get a palindrome (64613677631646).

The spelling of 20312625010344 in words is "twenty trillion, three hundred twelve billion, six hundred twenty-five million, ten thousand, three hundred forty-four".