420980475 has 24 divisors (see below), whose sum is σ = 696651840. Its totient is φ = 224319520.

The previous prime is 420980407. The next prime is 420980491. The reversal of 420980475 is 574089024.

It is not a de Polignac number, because 420980475 - 2⁷ = 420980347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119692 + ... + 123158.

It is an arithmetic number, because the mean of its divisors is an integer number (29027160).

Almost surely, 2^420980475 is an apocalyptic number.

420980475 is a deficient number, since it is larger than the sum of its proper divisors (275671365).

420980475 is a wasteful number, since it uses less digits than its factorization.

420980475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099 (or 5094 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 420980475 is about 20517.8087280294. The cubic root of 420980475 is about 749.4695360102.

The spelling of 420980475 in words is "four hundred twenty million, nine hundred eighty thousand, four hundred seventy-five".