20021000330 has 32 divisors (see below), whose sum is σ = 36215907840. Its totient is φ = 7968896640.

The previous prime is 20021000297. The next prime is 20021000353. The reversal of 20021000330 is 3300012002.

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, 2399606 + ... + 2407934.

It is an arithmetic number, because the mean of its divisors is an integer number (1131747120).

Almost surely, 2^20021000330 is an apocalyptic number.

20021000330 is a deficient number, since it is larger than the sum of its proper divisors (16194907510).

20021000330 is a wasteful number, since it uses less digits than its factorization.

20021000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20021000330 its reverse (3300012002), we get a palindrome (23321012332).

The spelling of 20021000330 in words is "twenty billion, twenty-one million, three hundred thirty", and thus it is an aban number.