20314015530 has 64 divisors (see below), whose sum is σ = 51906935808. Its totient is φ = 5070228480.

The previous prime is 20314015529. The next prime is 20314015609. The reversal of 20314015530 is 3551041302.

It is a self number, because there is not a number n which added to its sum of digits gives 20314015530.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17722 + ... + 202341.

It is an arithmetic number, because the mean of its divisors is an integer number (811045872).

Almost surely, 2^20314015530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20314015530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25953467904).

20314015530 is an abundant number, since it is smaller than the sum of its proper divisors (31592920278).

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

20314015530 is a wasteful number, since it uses less digits than its factorization.

20314015530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220271.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 20314015530 its reverse (3551041302), we get a palindrome (23865056832).

The spelling of 20314015530 in words is "twenty billion, three hundred fourteen million, fifteen thousand, five hundred thirty".