420020002239 has 4 divisors (see below), whose sum is σ = 560026669656. Its totient is φ = 280013334824.

The previous prime is 420020002223. The next prime is 420020002243. The reversal of 420020002239 is 932200020024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420020002239 - 2⁴ = 420020002223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420020001239) 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, 70003333704 + ... + 70003333709.

It is an arithmetic number, because the mean of its divisors is an integer number (140006667414).

Almost surely, 2^420020002239 is an apocalyptic number.

420020002239 is a deficient number, since it is larger than the sum of its proper divisors (140006667417).

420020002239 is a wasteful number, since it uses less digits than its factorization.

420020002239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140006667416.

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 420020002239 in words is "four hundred twenty billion, twenty million, two thousand, two hundred thirty-nine".