21320333022 has 16 divisors (see below), whose sum is σ = 42642096912. Its totient is φ = 7106539200.

The previous prime is 21320333011. The next prime is 21320333033. The reversal of 21320333022 is 22033302312.

It is an interprime number because it is at equal distance from previous prime (21320333011) and next prime (21320333033).

It is a self number, because there is not a number n which added to its sum of digits gives 21320333022.

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, 321288 + ... + 381924.

It is an arithmetic number, because the mean of its divisors is an integer number (2665131057).

Almost surely, 2^21320333022 is an apocalyptic number.

21320333022 is an abundant number, since it is smaller than the sum of its proper divisors (21321763890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21320333022 is a wasteful number, since it uses less digits than its factorization.

21320333022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119243.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21320333022 its reverse (22033302312), we get a palindrome (43353635334).

The spelling of 21320333022 in words is "twenty-one billion, three hundred twenty million, three hundred thirty-three thousand, twenty-two".