20622400810 has 64 divisors (see below), whose sum is σ = 40814855424. Its totient is φ = 7439987200.

The previous prime is 20622400807. The next prime is 20622400811. The reversal of 20622400810 is 1800422602.

It is a happy number.

It is a super-2 number, since 2×20622400810² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20622400811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17285574 + ... + 17286766.

It is an arithmetic number, because the mean of its divisors is an integer number (637732116).

Almost surely, 2^20622400810 is an apocalyptic number.

20622400810 is a deficient number, since it is larger than the sum of its proper divisors (20192454614).

20622400810 is a wasteful number, since it uses less digits than its factorization.

20622400810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319.

The product of its (nonzero) digits is 1536, while the sum is 25.

The spelling of 20622400810 in words is "twenty billion, six hundred twenty-two million, four hundred thousand, eight hundred ten".