420055570 has 16 divisors (see below), whose sum is σ = 824836608. Its totient is φ = 152747440.

The previous prime is 420055523. The next prime is 420055583. The reversal of 420055570 is 75550024.

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, 1909234 + ... + 1909453.

It is an arithmetic number, because the mean of its divisors is an integer number (51552288).

Almost surely, 2^420055570 is an apocalyptic number.

420055570 is a deficient number, since it is larger than the sum of its proper divisors (404781038).

420055570 is a wasteful number, since it uses less digits than its factorization.

420055570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818705.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 420055570 is about 20495.2572562532. The cubic root of 420055570 is about 748.9202655700.

The spelling of 420055570 in words is "four hundred twenty million, fifty-five thousand, five hundred seventy".