20021330102 has 16 divisors (see below), whose sum is σ = 30596944320. Its totient is φ = 9822970248.

The previous prime is 20021330093. The next prime is 20021330149. The reversal of 20021330102 is 20103312002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90548 + ... + 219639.

It is an arithmetic number, because the mean of its divisors is an integer number (1912309020).

Almost surely, 2^20021330102 is an apocalyptic number.

20021330102 is a deficient number, since it is larger than the sum of its proper divisors (10575614218).

20021330102 is a wasteful number, since it uses less digits than its factorization.

20021330102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310795.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20021330102 its reverse (20103312002), we get a palindrome (40124642104).

The spelling of 20021330102 in words is "twenty billion, twenty-one million, three hundred thirty thousand, one hundred two".