420527420 has 12 divisors (see below), whose sum is σ = 883107624. Its totient is φ = 168210960.

The previous prime is 420527417. The next prime is 420527467. The reversal of 420527420 is 24725024.

It is a self number, because there is not a number n which added to its sum of digits gives 420527420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10513166 + ... + 10513205.

It is an arithmetic number, because the mean of its divisors is an integer number (73592302).

Almost surely, 2^420527420 is an apocalyptic number.

It is an amenable number.

420527420 is an abundant number, since it is smaller than the sum of its proper divisors (462580204).

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

420527420 is a wasteful number, since it uses less digits than its factorization.

420527420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21026380 (or 21026378 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 420527420 is about 20506.7652251641. The cubic root of 420527420 is about 749.2005822852.

The spelling of 420527420 in words is "four hundred twenty million, five hundred twenty-seven thousand, four hundred twenty".