20480828620 has 48 divisors (see below), whose sum is σ = 50297119488. Its totient is φ = 6858694080.

The previous prime is 20480828567. The next prime is 20480828639. The reversal of 20480828620 is 2682808402.

It is a super-2 number, since 2×20480828620² (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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695046 + ... + 1707085.

It is an arithmetic number, because the mean of its divisors is an integer number (1047856656).

Almost surely, 2^20480828620 is an apocalyptic number.

20480828620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20480828620 is an abundant number, since it is smaller than the sum of its proper divisors (29816290868).

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

20480828620 is a wasteful number, since it uses less digits than its factorization.

20480828620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402190 (or 3402188 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The spelling of 20480828620 in words is "twenty billion, four hundred eighty million, eight hundred twenty-eight thousand, six hundred twenty".