420545102 has 8 divisors (see below), whose sum is σ = 641159112. Its totient is φ = 206825400.

The previous prime is 420545033. The next prime is 420545119. The reversal of 420545102 is 201545024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723424 + ... + 1723667.

It is an arithmetic number, because the mean of its divisors is an integer number (80144889).

Almost surely, 2^420545102 is an apocalyptic number.

420545102 is a deficient number, since it is larger than the sum of its proper divisors (220614010).

420545102 is a wasteful number, since it uses less digits than its factorization.

420545102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447154.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 420545102 is about 20507.1963466487. The cubic root of 420545102 is about 749.2110827333.

The spelling of 420545102 in words is "four hundred twenty million, five hundred forty-five thousand, one hundred two".