30020501053 has 4 divisors (see below), whose sum is σ = 30020870560. Its totient is φ = 30020131548.

The previous prime is 30020500999. The next prime is 30020501083. The reversal of 30020501053 is 35010502003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30020501053 - 2²¹ = 30018403901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30020501053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020501083) 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, 3825 + ... + 245062.

It is an arithmetic number, because the mean of its divisors is an integer number (7505217640).

Almost surely, 2^30020501053 is an apocalyptic number.

It is an amenable number.

30020501053 is a deficient number, since it is larger than the sum of its proper divisors (369507).

30020501053 is a wasteful number, since it uses less digits than its factorization.

30020501053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369506.

The product of its (nonzero) digits is 450, while the sum is 19.

The spelling of 30020501053 in words is "thirty billion, twenty million, five hundred one thousand, fifty-three".