420688082 has 16 divisors (see below), whose sum is σ = 664729440. Its totient is φ = 199127808.

The previous prime is 420688061. The next prime is 420688097. The reversal of 420688082 is 280886024.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 63218 + ... + 69554.

It is an arithmetic number, because the mean of its divisors is an integer number (41545590).

Almost surely, 2^420688082 is an apocalyptic number.

420688082 is a deficient number, since it is larger than the sum of its proper divisors (244041358).

420688082 is a wasteful number, since it uses less digits than its factorization.

420688082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 420688082 is about 20510.6821437026. The cubic root of 420688082 is about 749.2959805341.

The spelling of 420688082 in words is "four hundred twenty million, six hundred eighty-eight thousand, eighty-two".