30202023132 has 72 divisors (see below), whose sum is σ = 81635338512. Its totient is φ = 9381312000.

The previous prime is 30202023127. The next prime is 30202023169. The reversal of 30202023132 is 23132020203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182494 + ... + 306117.

It is an arithmetic number, because the mean of its divisors is an integer number (1133824146).

Almost surely, 2^30202023132 is an apocalyptic number.

It is an amenable number.

30202023132 is an abundant number, since it is smaller than the sum of its proper divisors (51433315380).

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

30202023132 is a wasteful number, since it uses less digits than its factorization.

30202023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488739 (or 488734 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30202023132 its reverse (23132020203), we get a palindrome (53334043335).

The spelling of 30202023132 in words is "thirty billion, two hundred two million, twenty-three thousand, one hundred thirty-two".