420146662 has 16 divisors (see below), whose sum is σ = 680726592. Its totient is φ = 193334400.

The previous prime is 420146659. The next prime is 420146717. The reversal of 420146662 is 266641024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15214 + ... + 32737.

It is an arithmetic number, because the mean of its divisors is an integer number (42545412).

Almost surely, 2^420146662 is an apocalyptic number.

420146662 is a deficient number, since it is larger than the sum of its proper divisors (260579930).

420146662 is a wasteful number, since it uses less digits than its factorization.

420146662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48303.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 420146662 is about 20497.4794060148. The cubic root of 420146662 is about 748.9743978633.

Adding to 420146662 its reverse (266641024), we get a palindrome (686787686).

The spelling of 420146662 in words is "four hundred twenty million, one hundred forty-six thousand, six hundred sixty-two".