420372066 has 32 divisors (see below), whose sum is σ = 849356928. Its totient is φ = 138696320.

The previous prime is 420372041. The next prime is 420372151. The reversal of 420372066 is 660273024.

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, 280816 + ... + 282308.

It is an arithmetic number, because the mean of its divisors is an integer number (26542404).

Almost surely, 2^420372066 is an apocalyptic number.

420372066 is an abundant number, since it is smaller than the sum of its proper divisors (428984862).

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

420372066 is a wasteful number, since it uses less digits than its factorization.

420372066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 420372066 is about 20502.9770033525. The cubic root of 420372066 is about 749.1083127230.

The spelling of 420372066 in words is "four hundred twenty million, three hundred seventy-two thousand, sixty-six".