20622005120 has 64 divisors (see below), whose sum is σ = 49352671440. Its totient is φ = 8239902720.

The previous prime is 20622005099. The next prime is 20622005141. The reversal of 20622005120 is 2150022602.

It is an interprime number because it is at equal distance from previous prime (20622005099) and next prime (20622005141).

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a junction number, because it is equal to n+sod(n) for n = 20622005092 and 20622005101.

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, 593015 + ... + 626825.

Almost surely, 2^20622005120 is an apocalyptic number.

20622005120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20622005120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24676335720).

20622005120 is an abundant number, since it is smaller than the sum of its proper divisors (28730666320).

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

20622005120 is an equidigital number, since it uses as much as digits as its factorization.

20622005120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34783 (or 34771 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20622005120 its reverse (2150022602), we get a palindrome (22772027722).

The spelling of 20622005120 in words is "twenty billion, six hundred twenty-two million, five thousand, one hundred twenty".