20030702550631 has 4 divisors (see below), whose sum is σ = 20901602661552. Its totient is φ = 19159802439712.

The previous prime is 20030702550629. The next prime is 20030702550679. The reversal of 20030702550631 is 13605520703002.

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

It is a cyclic number.

It is not a de Polignac number, because 20030702550631 - 2¹ = 20030702550629 is a prime.

It is a super-2 number, since 2×20030702550631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030702550031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435450055426 + ... + 435450055471.

It is an arithmetic number, because the mean of its divisors is an integer number (5225400665388).

Almost surely, 2^{20030702550631} is an apocalyptic number.

20030702550631 is a deficient number, since it is larger than the sum of its proper divisors (870900110921).

20030702550631 is an equidigital number, since it uses as much as digits as its factorization.

20030702550631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870900110920.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 20030702550631 in words is "twenty trillion, thirty billion, seven hundred two million, five hundred fifty thousand, six hundred thirty-one".