20622616414452 has 144 divisors (see below), whose sum is σ = 57421157910480. Its totient is φ = 6201469108224.

The previous prime is 20622616414403. The next prime is 20622616414481. The reversal of 20622616414452 is 25441461622602.

20622616414452 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 26 + 164 + 14 + 452 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 26304298596 + 20596312115856 = 162186^2 + 4538316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20622616414398 and 20622616414407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4757074 + ... + 7992182.

It is an arithmetic number, because the mean of its divisors is an integer number (398758041045).

Almost surely, 2^{20622616414452} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20622616414452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28710578955240).

20622616414452 is an abundant number, since it is smaller than the sum of its proper divisors (36798541496028).

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

20622616414452 is a wasteful number, since it uses less digits than its factorization.

20622616414452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235442 (or 3235437 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 20622616414452 in words is "twenty trillion, six hundred twenty-two billion, six hundred sixteen million, four hundred fourteen thousand, four hundred fifty-two".