20312232334 has 16 divisors (see below), whose sum is σ = 30927681360. Its totient is φ = 10003383360.

The previous prime is 20312232323. The next prime is 20312232433. The reversal of 20312232334 is 43323221302.

It is a junction number, because it is equal to n+sod(n) for n = 20312232299 and 20312232308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13764 + ... + 202024.

It is an arithmetic number, because the mean of its divisors is an integer number (1932980085).

Almost surely, 2^20312232334 is an apocalyptic number.

20312232334 is a deficient number, since it is larger than the sum of its proper divisors (10615449026).

20312232334 is a wasteful number, since it uses less digits than its factorization.

20312232334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189075.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20312232334 its reverse (43323221302), we get a palindrome (63635453636).

The spelling of 20312232334 in words is "twenty billion, three hundred twelve million, two hundred thirty-two thousand, three hundred thirty-four".