420055102 has 8 divisors (see below), whose sum is σ = 640762200. Its totient is φ = 206467704.

The previous prime is 420055079. The next prime is 420055109. The reversal of 420055102 is 201550024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 420055102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420055109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779777 + ... + 1780012.

It is an arithmetic number, because the mean of its divisors is an integer number (80095275).

Almost surely, 2^420055102 is an apocalyptic number.

420055102 is a deficient number, since it is larger than the sum of its proper divisors (220707098).

420055102 is a wasteful number, since it uses less digits than its factorization.

420055102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559850.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 420055102 is about 20495.2458389745. The cubic root of 420055102 is about 748.9199874363.

The spelling of 420055102 in words is "four hundred twenty million, fifty-five thousand, one hundred two".