20020311022 has 32 divisors (see below), whose sum is σ = 30646483200. Its totient is φ = 9807557760.

The previous prime is 20020310977. The next prime is 20020311049. The reversal of 20020311022 is 22011302002.

It is a super-2 number, since 2×20020311022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020310993 and 20020311011.

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, 7329397 + ... + 7332127.

It is an arithmetic number, because the mean of its divisors is an integer number (957702600).

Almost surely, 2^20020311022 is an apocalyptic number.

20020311022 is a deficient number, since it is larger than the sum of its proper divisors (10626172178).

20020311022 is a wasteful number, since it uses less digits than its factorization.

20020311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20020311022 its reverse (22011302002), we get a palindrome (42031613024).

The spelling of 20020311022 in words is "twenty billion, twenty million, three hundred eleven thousand, twenty-two".