3457900020 has 48 divisors (see below), whose sum is σ = 9735643008. Its totient is φ = 917009280.

The previous prime is 3457899959. The next prime is 3457900031. The reversal of 3457900020 is 200097543.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148344 + ... + 170063.

It is an arithmetic number, because the mean of its divisors is an integer number (202825896).

Almost surely, 2^3457900020 is an apocalyptic number.

3457900020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3457900020 is an abundant number, since it is smaller than the sum of its proper divisors (6277742988).

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

3457900020 is a wasteful number, since it uses less digits than its factorization.

3457900020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318600 (or 318598 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3457900020 is about 58803.9116045863. The cubic root of 3457900020 is about 1512.1822780023.

Adding to 3457900020 its reverse (200097543), we get a palindrome (3657997563).

The spelling of 3457900020 in words is "three billion, four hundred fifty-seven million, nine hundred thousand, twenty".