6358981020 has 96 divisors (see below), whose sum is σ = 21005193216. Its totient is φ = 1406592000.

The previous prime is 6358980967. The next prime is 6358981021. The reversal of 6358981020 is 201898536.

It is a super-2 number, since 2×6358981020² = 80873279225440480800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6358981021) 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, 231181 + ... + 257220.

It is an arithmetic number, because the mean of its divisors is an integer number (218804096).

Almost surely, 2^6358981020 is an apocalyptic number.

6358981020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6358981020 is an abundant number, since it is smaller than the sum of its proper divisors (14646212196).

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

6358981020 is a wasteful number, since it uses less digits than its factorization.

6358981020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488451 (or 488449 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 6358981020 is about 79743.2192728636. The cubic root of 6358981020 is about 1852.6605032120.

The spelling of 6358981020 in words is "six billion, three hundred fifty-eight million, nine hundred eighty-one thousand, twenty".