420069420 has 36 divisors (see below), whose sum is σ = 1274211120. Its totient is φ = 112018464.

The previous prime is 420069413. The next prime is 420069427. The reversal of 420069420 is 24960024.

It is an interprime number because it is at equal distance from previous prime (420069413) and next prime (420069427).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (420069427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1166680 + ... + 1167039.

Almost surely, 2^420069420 is an apocalyptic number.

It is an amenable number.

420069420 is an abundant number, since it is smaller than the sum of its proper divisors (854141700).

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

420069420 is a wasteful number, since it uses less digits than its factorization.

420069420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333734 (or 2333729 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 420069420 is about 20495.5951365165. The cubic root of 420069420 is about 748.9284965695.

The spelling of 420069420 in words is "four hundred twenty million, sixty-nine thousand, four hundred twenty".