30102032020 has 48 divisors (see below), whose sum is σ = 64970115840. Its totient is φ = 11710917504.

The previous prime is 30102031961. The next prime is 30102032033. The reversal of 30102032020 is 2023020103.

It is a happy number.

It is a super-2 number, since 2×30102032020² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36319 + ... + 248038.

It is an arithmetic number, because the mean of its divisors is an integer number (1353544080).

Almost surely, 2^30102032020 is an apocalyptic number.

It is an amenable number.

30102032020 is an abundant number, since it is smaller than the sum of its proper divisors (34868083820).

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

30102032020 is a wasteful number, since it uses less digits than its factorization.

30102032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284512 (or 284510 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30102032020 its reverse (2023020103), we get a palindrome (32125052123).

The spelling of 30102032020 in words is "thirty billion, one hundred two million, thirty-two thousand, twenty".