420613662 has 32 divisors (see below), whose sum is σ = 962668800. Its totient is φ = 120017088.

The previous prime is 420613657. The next prime is 420613679. The reversal of 420613662 is 266316024.

It is a super-2 number, since 2×420613662² = 353831705322100488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27789 + ... + 40167.

It is an arithmetic number, because the mean of its divisors is an integer number (30083400).

Almost surely, 2^420613662 is an apocalyptic number.

420613662 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

420613662 is an abundant number, since it is smaller than the sum of its proper divisors (542055138).

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

420613662 is a wasteful number, since it uses less digits than its factorization.

420613662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 420613662 is about 20508.8678868435. The cubic root of 420613662 is about 749.2517942769.

Adding to 420613662 its reverse (266316024), we get a palindrome (686929686).

The spelling of 420613662 in words is "four hundred twenty million, six hundred thirteen thousand, six hundred sixty-two".