420883305 has 16 divisors (see below), whose sum is σ = 674548224. Its totient is φ = 224092800.

The previous prime is 420883273. The next prime is 420883349. The reversal of 420883305 is 503388024.

It is not a de Polignac number, because 420883305 - 2⁵ = 420883273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14329 + ... + 32358.

It is an arithmetic number, because the mean of its divisors is an integer number (42159264).

Almost surely, 2^420883305 is an apocalyptic number.

It is an amenable number.

420883305 is a deficient number, since it is larger than the sum of its proper divisors (253664919).

420883305 is a wasteful number, since it uses less digits than its factorization.

420883305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47296.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 420883305 is about 20515.4406484482. The cubic root of 420883305 is about 749.4118678101.

The spelling of 420883305 in words is "four hundred twenty million, eight hundred eighty-three thousand, three hundred five".