20312440054 has 8 divisors (see below), whose sum is σ = 30473389440. Its totient is φ = 10154643576.

The previous prime is 20312440039. The next prime is 20312440139. The reversal of 20312440054 is 45004421302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772054 + ... + 797929.

It is an arithmetic number, because the mean of its divisors is an integer number (3809173680).

Almost surely, 2^20312440054 is an apocalyptic number.

20312440054 is a deficient number, since it is larger than the sum of its proper divisors (10160949386).

20312440054 is a wasteful number, since it uses less digits than its factorization.

20312440054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576454.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20312440054 its reverse (45004421302), we get a palindrome (65316861356).

The spelling of 20312440054 in words is "twenty billion, three hundred twelve million, four hundred forty thousand, fifty-four".