420237146 has 16 divisors (see below), whose sum is σ = 724830144. Its totient is φ = 178995744.

The previous prime is 420237131. The next prime is 420237149. The reversal of 420237146 is 641732024.

It is not an unprimeable number, because it can be changed into a prime (420237149) 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, 89795 + ... + 94358.

It is an arithmetic number, because the mean of its divisors is an integer number (45301884).

Almost surely, 2^420237146 is an apocalyptic number.

420237146 is a deficient number, since it is larger than the sum of its proper divisors (304592998).

420237146 is a wasteful number, since it uses less digits than its factorization.

420237146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184325.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 420237146 is about 20499.6864854075. The cubic root of 420237146 is about 749.0281611013.

The spelling of 420237146 in words is "four hundred twenty million, two hundred thirty-seven thousand, one hundred forty-six".