20602662622 has 4 divisors (see below), whose sum is σ = 30903993936. Its totient is φ = 10301331310.

The previous prime is 20602662607. The next prime is 20602662623. The reversal of 20602662622 is 22626620602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22626620602 = 2 ⋅11313310301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602662623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5150665654 + ... + 5150665657.

It is an arithmetic number, because the mean of its divisors is an integer number (7725998484).

Almost surely, 2^20602662622 is an apocalyptic number.

20602662622 is a deficient number, since it is larger than the sum of its proper divisors (10301331314).

20602662622 is a wasteful number, since it uses less digits than its factorization.

20602662622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301331313.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 20602662622 in words is "twenty billion, six hundred two million, six hundred sixty-two thousand, six hundred twenty-two".