20313101040 has 160 divisors (see below), whose sum is σ = 65642227200. Its totient is φ = 5189882880.

The previous prime is 20313101027. The next prime is 20313101051. The reversal of 20313101040 is 4010131302.

It is a super-2 number, since 2×20313101040² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900621 + ... + 922899.

It is an arithmetic number, because the mean of its divisors is an integer number (410263920).

Almost surely, 2^20313101040 is an apocalyptic number.

20313101040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313101040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32821113600).

20313101040 is an abundant number, since it is smaller than the sum of its proper divisors (45329126160).

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

20313101040 is a wasteful number, since it uses less digits than its factorization.

20313101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22455 (or 22449 counting only the distinct ones).

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

Adding to 20313101040 its reverse (4010131302), we get a palindrome (24323232342).

The spelling of 20313101040 in words is "twenty billion, three hundred thirteen million, one hundred one thousand, forty".