420635612 has 6 divisors (see below), whose sum is σ = 736112328. Its totient is φ = 210317804.

The previous prime is 420635549. The next prime is 420635639. The reversal of 420635612 is 216536024.

It is a super-2 number, since 2×420635612² = 353868636165229088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52579448 + ... + 52579455.

It is an arithmetic number, because the mean of its divisors is an integer number (122685388).

Almost surely, 2^420635612 is an apocalyptic number.

It is an amenable number.

420635612 is a deficient number, since it is larger than the sum of its proper divisors (315476716).

420635612 is a wasteful number, since it uses less digits than its factorization.

420635612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105158907 (or 105158905 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 420635612 is about 20509.4030142274. The cubic root of 420635612 is about 749.2648274491.

The spelling of 420635612 in words is "four hundred twenty million, six hundred thirty-five thousand, six hundred twelve".