20312323104 has 48 divisors (see below), whose sum is σ = 53739721728. Its totient is φ = 6717457152.

The previous prime is 20312323091. The next prime is 20312323153. The reversal of 20312323104 is 40132321302.

It is a tau number, because it is divible by the number of its divisors (48).

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, 820827 + ... + 845210.

It is an arithmetic number, because the mean of its divisors is an integer number (1119577536).

Almost surely, 2^20312323104 is an apocalyptic number.

20312323104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20312323104 is an abundant number, since it is smaller than the sum of its proper divisors (33427398624).

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

20312323104 is a wasteful number, since it uses less digits than its factorization.

20312323104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666177 (or 1666169 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20312323104 its reverse (40132321302), we get a palindrome (60444644406).

The spelling of 20312323104 in words is "twenty billion, three hundred twelve million, three hundred twenty-three thousand, one hundred four".