20312651652014 has 4 divisors (see below), whose sum is σ = 30468977478024. Its totient is φ = 10156325826006.

The previous prime is 20312651651989. The next prime is 20312651652023. The reversal of 20312651652014 is 41025615621302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078162913002 + ... + 5078162913005.

It is an arithmetic number, because the mean of its divisors is an integer number (7617244369506).

Almost surely, 2^{20312651652014} is an apocalyptic number.

20312651652014 is a deficient number, since it is larger than the sum of its proper divisors (10156325826010).

20312651652014 is a wasteful number, since it uses less digits than its factorization.

20312651652014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156325826009.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 20312651652014 in words is "twenty trillion, three hundred twelve billion, six hundred fifty-one million, six hundred fifty-two thousand, fourteen".