20050464620 has 24 divisors (see below), whose sum is σ = 42478599744. Its totient is φ = 7949209856.

The previous prime is 20050464619. The next prime is 20050464631. The reversal of 20050464620 is 2646405002.

It is a super-2 number, since 2×20050464620² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4433684 + ... + 4438203.

It is an arithmetic number, because the mean of its divisors is an integer number (1769941656).

Almost surely, 2^20050464620 is an apocalyptic number.

20050464620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20050464620 is an abundant number, since it is smaller than the sum of its proper divisors (22428135124).

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

20050464620 is a wasteful number, since it uses less digits than its factorization.

20050464620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8872009 (or 8872007 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20050464620 its reverse (2646405002), we get a palindrome (22696869622).

The spelling of 20050464620 in words is "twenty billion, fifty million, four hundred sixty-four thousand, six hundred twenty".