20100021022 has 16 divisors (see below), whose sum is σ = 30373517952. Its totient is φ = 9975619800.

The previous prime is 20100021013. The next prime is 20100021041. The reversal of 20100021022 is 22012000102.

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, 369253 + ... + 420175.

It is an arithmetic number, because the mean of its divisors is an integer number (1898344872).

Almost surely, 2^20100021022 is an apocalyptic number.

20100021022 is a deficient number, since it is larger than the sum of its proper divisors (10273496930).

20100021022 is a wasteful number, since it uses less digits than its factorization.

20100021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52383.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20100021022 its reverse (22012000102), we get a palindrome (42112021124).

The spelling of 20100021022 in words is "twenty billion, one hundred million, twenty-one thousand, twenty-two".