20032120030 has 32 divisors (see below), whose sum is σ = 38992681728. Its totient is φ = 7365772800.

The previous prime is 20032120027. The next prime is 20032120049. The reversal of 20032120030 is 3002123002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 288366 + ... + 351025.

It is an arithmetic number, because the mean of its divisors is an integer number (1218521304).

Almost surely, 2^20032120030 is an apocalyptic number.

20032120030 is a deficient number, since it is larger than the sum of its proper divisors (18960561698).

20032120030 is a wasteful number, since it uses less digits than its factorization.

20032120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639652.

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

Adding to 20032120030 its reverse (3002123002), we get a palindrome (23034243032).

The spelling of 20032120030 in words is "twenty billion, thirty-two million, one hundred twenty thousand, thirty".