20312301042 has 64 divisors (see below), whose sum is σ = 50387166720. Its totient is φ = 6012090000.

The previous prime is 20312301041. The next prime is 20312301043. The reversal of 20312301042 is 24010321302.

It is an interprime number because it is at equal distance from previous prime (20312301041) and next prime (20312301043).

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

It is not an unprimeable number, because it can be changed into a prime (20312301041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372084 + ... + 423167.

It is an arithmetic number, because the mean of its divisors is an integer number (787299480).

Almost surely, 2^20312301042 is an apocalyptic number.

20312301042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20312301042 is an abundant number, since it is smaller than the sum of its proper divisors (30074865678).

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

20312301042 is a wasteful number, since it uses less digits than its factorization.

20312301042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795316 (or 795310 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20312301042 its reverse (24010321302), we get a palindrome (44322622344).

The spelling of 20312301042 in words is "twenty billion, three hundred twelve million, three hundred one thousand, forty-two".