420102612026 has 8 divisors (see below), whose sum is σ = 640484310324. Its totient is φ = 206607841920.

The previous prime is 420102611983. The next prime is 420102612037. The reversal of 420102612026 is 620216201024.

It can be written as a sum of positive squares in 2 ways, for example, as 272645844025 + 147456768001 = 522155^2 + 384001^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 420102611986 and 420102612004.

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, 1721731895 + ... + 1721732138.

Almost surely, 2^420102612026 is an apocalyptic number.

420102612026 is a deficient number, since it is larger than the sum of its proper divisors (220381698298).

420102612026 is a wasteful number, since it uses less digits than its factorization.

420102612026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443464096.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 420102612026 in words is "four hundred twenty billion, one hundred two million, six hundred twelve thousand, twenty-six".