420061630 has 16 divisors (see below), whose sum is σ = 756609840. Its totient is φ = 167913792.

The previous prime is 420061601. The next prime is 420061639. The reversal of 420061630 is 36160024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420061639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3037 + ... + 29143.

It is an arithmetic number, because the mean of its divisors is an integer number (47288115).

Almost surely, 2^420061630 is an apocalyptic number.

420061630 is a deficient number, since it is larger than the sum of its proper divisors (336548210).

420061630 is a wasteful number, since it uses less digits than its factorization.

420061630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27723.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 420061630 is about 20495.4050948011. The cubic root of 420061630 is about 748.9238670260.

The spelling of 420061630 in words is "four hundred twenty million, sixty-one thousand, six hundred thirty".