420212623604 has 12 divisors (see below), whose sum is σ = 749247036804. Its totient is φ = 206142041664.

The previous prime is 420212623573. The next prime is 420212623631. The reversal of 420212623604 is 406326212024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 378840250000 + 41372373604 = 615500^2 + 203402^2 .

It is a congruent number.

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, 991067297 + ... + 991067720.

It is an arithmetic number, because the mean of its divisors is an integer number (62437253067).

Almost surely, 2^420212623604 is an apocalyptic number.

It is an amenable number.

420212623604 is a deficient number, since it is larger than the sum of its proper divisors (329034413200).

420212623604 is a wasteful number, since it uses less digits than its factorization.

420212623604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982135074 (or 1982135072 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 420212623604 its reverse (406326212024), we get a palindrome (826538835628).

The spelling of 420212623604 in words is "four hundred twenty billion, two hundred twelve million, six hundred twenty-three thousand, six hundred four".