20372312034 has 24 divisors (see below), whose sum is σ = 44143182720. Its totient is φ = 6790282488.

The previous prime is 20372312003. The next prime is 20372312041. The reversal of 20372312034 is 43021327302.

It is a super-2 number, since 2×20372312034² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20372311989 and 20372312007.

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 11 ways as a sum of consecutive naturals, for example, 288747 + ... + 352305.

It is an arithmetic number, because the mean of its divisors is an integer number (1839299280).

Almost surely, 2^20372312034 is an apocalyptic number.

20372312034 is an abundant number, since it is smaller than the sum of its proper divisors (23770870686).

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

20372312034 is a wasteful number, since it uses less digits than its factorization.

20372312034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81374 (or 81371 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

Adding to 20372312034 its reverse (43021327302), we get a palindrome (63393639336).

The spelling of 20372312034 in words is "twenty billion, three hundred seventy-two million, three hundred twelve thousand, thirty-four".