2356408020 has 24 divisors (see below), whose sum is σ = 6597942624. Its totient is φ = 628375456.

The previous prime is 2356408013. The next prime is 2356408051. The reversal of 2356408020 is 208046532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19636674 + ... + 19636793.

It is an arithmetic number, because the mean of its divisors is an integer number (274914276).

Almost surely, 2^2356408020 is an apocalyptic number.

2356408020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2356408020 is an abundant number, since it is smaller than the sum of its proper divisors (4241534604).

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

2356408020 is a wasteful number, since it uses less digits than its factorization.

2356408020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39273479 (or 39273477 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2356408020 is about 48542.8472588908. The cubic root of 2356408020 is about 1330.7102355415.

The spelling of 2356408020 in words is "two billion, three hundred fifty-six million, four hundred eight thousand, twenty".