420297860106 has 24 divisors (see below), whose sum is σ = 910794570660. Its totient is φ = 140076331776.

The previous prime is 420297860089. The next prime is 420297860107. The reversal of 420297860106 is 601068792024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 375635377881 + 44662482225 = 612891^2 + 211335^2 .

It is not an unprimeable number, because it can be changed into a prime (420297860107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1799821 + ... + 2019888.

Almost surely, 2^420297860106 is an apocalyptic number.

420297860106 is an abundant number, since it is smaller than the sum of its proper divisors (490496710554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420297860106 is a wasteful number, since it uses less digits than its factorization.

420297860106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825830 (or 3825827 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 420297860106 in words is "four hundred twenty billion, two hundred ninety-seven million, eight hundred sixty thousand, one hundred six".