20220837867 has 64 divisors (see below), whose sum is σ = 32564736000. Its totient is φ = 12353762304.

The previous prime is 20220837853. The next prime is 20220837911. The reversal of 20220837867 is 76873802202.

It is not a de Polignac number, because 20220837867 - 2¹⁸ = 20220575723 is a prime.

It is a super-2 number, since 2×20220837867² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20220837827) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2643234 + ... + 2650872.

It is an arithmetic number, because the mean of its divisors is an integer number (508824000).

Almost surely, 2^20220837867 is an apocalyptic number.

20220837867 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20220837867 is a deficient number, since it is larger than the sum of its proper divisors (12343898133).

20220837867 is a wasteful number, since it uses less digits than its factorization.

20220837867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817 (or 7811 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 20220837867 in words is "twenty billion, two hundred twenty million, eight hundred thirty-seven thousand, eight hundred sixty-seven".