420069180 has 48 divisors (see below), whose sum is σ = 1195485984. Its totient is φ = 110181120.

The previous prime is 420069179. The next prime is 420069187. The reversal of 420069180 is 81960024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420069187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53727 + ... + 61046.

It is an arithmetic number, because the mean of its divisors is an integer number (24905958).

Almost surely, 2^420069180 is an apocalyptic number.

It is an amenable number.

420069180 is an abundant number, since it is smaller than the sum of its proper divisors (775416804).

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

420069180 is a wasteful number, since it uses less digits than its factorization.

420069180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114846 (or 114844 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 420069180 is about 20495.5892815991. The cubic root of 420069180 is about 748.9283539400.

The spelling of 420069180 in words is "four hundred twenty million, sixty-nine thousand, one hundred eighty".