20463525331 has 16 divisors (see below), whose sum is σ = 21705465600. Its totient is φ = 19238536800.

The previous prime is 20463525319. The next prime is 20463525347. The reversal of 20463525331 is 13352536402.

It is a cyclic number.

It is not a de Polignac number, because 20463525331 - 2¹⁹ = 20463001043 is a prime.

It is a super-2 number, since 2×20463525331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20463525031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682490 + ... + 1694608.

It is an arithmetic number, because the mean of its divisors is an integer number (1356591600).

Almost surely, 2^20463525331 is an apocalyptic number.

20463525331 is a deficient number, since it is larger than the sum of its proper divisors (1241940269).

20463525331 is a wasteful number, since it uses less digits than its factorization.

20463525331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12810.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 20463525331 in words is "twenty billion, four hundred sixty-three million, five hundred twenty-five thousand, three hundred thirty-one".