420025606 has 48 divisors (see below), whose sum is σ = 852378912. Its totient is φ = 151050240.

The previous prime is 420025601. The next prime is 420025651. The reversal of 420025606 is 606520024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420025601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12486 + ... + 31558.

It is an arithmetic number, because the mean of its divisors is an integer number (17757894).

Almost surely, 2^420025606 is an apocalyptic number.

420025606 is an abundant number, since it is smaller than the sum of its proper divisors (432353306).

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

420025606 is a wasteful number, since it uses less digits than its factorization.

420025606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19117 (or 19106 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 420025606 is about 20494.5262448294. The cubic root of 420025606 is about 748.9024574655.

The spelling of 420025606 in words is "four hundred twenty million, twenty-five thousand, six hundred six".