20312402334 has 32 divisors (see below), whose sum is σ = 46437722880. Its totient is φ = 5802371712.

The previous prime is 20312402329. The next prime is 20312402359. The reversal of 20312402334 is 43320421302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173577 + ... + 265995.

It is an arithmetic number, because the mean of its divisors is an integer number (1451178840).

Almost surely, 2^20312402334 is an apocalyptic number.

20312402334 is an abundant number, since it is smaller than the sum of its proper divisors (26125320546).

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

20312402334 is a wasteful number, since it uses less digits than its factorization.

20312402334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97664.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20312402334 its reverse (43320421302), we get a palindrome (63632823636).

The spelling of 20312402334 in words is "twenty billion, three hundred twelve million, four hundred two thousand, three hundred thirty-four".