420700108027 has 4 divisors (see below), whose sum is σ = 420909309496. Its totient is φ = 420490906560.

The previous prime is 420700108019. The next prime is 420700108051. The reversal of 420700108027 is 720801007024.

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 420700108027 - 2³ = 420700108019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420700108027.

It is not an unprimeable number, because it can be changed into a prime (420700108427) 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, 104597718 + ... + 104601739.

It is an arithmetic number, because the mean of its divisors is an integer number (105227327374).

Almost surely, 2^420700108027 is an apocalyptic number.

420700108027 is a deficient number, since it is larger than the sum of its proper divisors (209201469).

420700108027 is a wasteful number, since it uses less digits than its factorization.

420700108027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209201468.

The product of its (nonzero) digits is 6272, while the sum is 31.

The spelling of 420700108027 in words is "four hundred twenty billion, seven hundred million, one hundred eight thousand, twenty-seven".