20010021022 has 32 divisors (see below), whose sum is σ = 31798738944. Its totient is φ = 9424060800.

The previous prime is 20010021001. The next prime is 20010021043. The reversal of 20010021022 is 22012001002.

It is an interprime number because it is at equal distance from previous prime (20010021001) and next prime (20010021043).

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, 3187747 + ... + 3194017.

It is an arithmetic number, because the mean of its divisors is an integer number (993710592).

Almost surely, 2^20010021022 is an apocalyptic number.

20010021022 is a deficient number, since it is larger than the sum of its proper divisors (11788717922).

20010021022 is a wasteful number, since it uses less digits than its factorization.

20010021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344.

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

Adding to 20010021022 its reverse (22012001002), we get a palindrome (42022022024).

It can be divided in two parts, 200100 and 21022, that added together give a palindrome (221122).

The spelling of 20010021022 in words is "twenty billion, ten million, twenty-one thousand, twenty-two".