20822373 has 32 divisors (see below), whose sum is σ = 36247680. Its totient is φ = 11646720.

The previous prime is 20822371. The next prime is 20822393. The reversal of 20822373 is 37322802.

It is not a de Polignac number, because 20822373 - 2¹ = 20822371 is a prime.

It is a super-2 number, since 2×20822373² = 867142434702258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20822371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165 + ... + 6557.

It is an arithmetic number, because the mean of its divisors is an integer number (1132740).

Almost surely, 2^20822373 is an apocalyptic number.

It is an amenable number.

20822373 is a deficient number, since it is larger than the sum of its proper divisors (15425307).

20822373 is a wasteful number, since it uses less digits than its factorization.

20822373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20822373 is about 4563.1538435604. The cubic root of 20822373 is about 275.1123419790.

The spelling of 20822373 in words is "twenty million, eight hundred twenty-two thousand, three hundred seventy-three".