20622080 has 36 divisors (see below), whose sum is σ = 49399392. Its totient is φ = 8248320.

The previous prime is 20622073. The next prime is 20622083. The reversal of 20622080 is 8022602.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20622083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6776 + ... + 9335.

Almost surely, 2^20622080 is an apocalyptic number.

20622080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20622080 is an abundant number, since it is smaller than the sum of its proper divisors (28777312).

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

20622080 is an equidigital number, since it uses as much as digits as its factorization.

20622080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16132 (or 16118 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20622080 is about 4541.1540383475. The cubic root of 20622080 is about 274.2273850834.

Adding to 20622080 its reverse (8022602), we get a palindrome (28644682).

The spelling of 20622080 in words is "twenty million, six hundred twenty-two thousand, eighty".