420152042 has 32 divisors (see below), whose sum is σ = 681670080. Its totient is φ = 193501440.

The previous prime is 420152023. The next prime is 420152053. The reversal of 420152042 is 240251024.

It is a happy 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, 411809 + ... + 412827.

It is an arithmetic number, because the mean of its divisors is an integer number (21302190).

Almost surely, 2^420152042 is an apocalyptic number.

420152042 is a deficient number, since it is larger than the sum of its proper divisors (261518038).

420152042 is a wasteful number, since it uses less digits than its factorization.

420152042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 420152042 is about 20497.6106412430. The cubic root of 420152042 is about 748.9775947351.

The spelling of 420152042 in words is "four hundred twenty million, one hundred fifty-two thousand, forty-two".