420011700 has 36 divisors (see below), whose sum is σ = 1215234720. Its totient is φ = 112003040.

The previous prime is 420011699. The next prime is 420011719. The reversal of 420011700 is 7110024.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 420011700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699720 + ... + 700319.

It is an arithmetic number, because the mean of its divisors is an integer number (33756520).

Almost surely, 2^420011700 is an apocalyptic number.

It is an amenable number.

420011700 is an abundant number, since it is smaller than the sum of its proper divisors (795223020).

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

420011700 is a wasteful number, since it uses less digits than its factorization.

420011700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400056 (or 1400049 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 420011700 is about 20494.1869807026. The cubic root of 420011700 is about 748.8941926102.

Adding to 420011700 its reverse (7110024), we get a palindrome (427121724).

The spelling of 420011700 in words is "four hundred twenty million, eleven thousand, seven hundred".