20313101142 has 24 divisors (see below), whose sum is σ = 44014992840. Its totient is φ = 6770530080.

The previous prime is 20313101111. The next prime is 20313101173. The reversal of 20313101142 is 24110131302.

It is an interprime number because it is at equal distance from previous prime (20313101111) and next prime (20313101173).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269034 + ... + 336162.

It is an arithmetic number, because the mean of its divisors is an integer number (1833958035).

Almost surely, 2^20313101142 is an apocalyptic number.

20313101142 is an abundant number, since it is smaller than the sum of its proper divisors (23701891698).

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

20313101142 is a wasteful number, since it uses less digits than its factorization.

20313101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83948 (or 83945 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20313101142 its reverse (24110131302), we get a palindrome (44423232444).

The spelling of 20313101142 in words is "twenty billion, three hundred thirteen million, one hundred one thousand, one hundred forty-two".