20432622 has 16 divisors (see below), whose sum is σ = 46703232. Its totient is φ = 5837880.

The previous prime is 20432609. The next prime is 20432663. The reversal of 20432622 is 22623402.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 243204 + ... + 243287.

It is an arithmetic number, because the mean of its divisors is an integer number (2918952).

Almost surely, 2^20432622 is an apocalyptic number.

20432622 is an abundant number, since it is smaller than the sum of its proper divisors (26270610).

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

20432622 is a wasteful number, since it uses less digits than its factorization.

20432622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486503.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 20432622 is about 4520.2457897774. The cubic root of 20432622 is about 273.3850113803.

The spelling of 20432622 in words is "twenty million, four hundred thirty-two thousand, six hundred twenty-two".