620442212454 has 32 divisors (see below), whose sum is σ = 1379490588000. Its totient is φ = 206704553472.

The previous prime is 620442212419. The next prime is 620442212483. The reversal of 620442212454 is 454212244026.

620442212454 is a `hidden beast` number, since 6 + 204 + 422 + 1 + 24 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2939199 + ... + 3143210.

It is an arithmetic number, because the mean of its divisors is an integer number (43109080875).

Almost surely, 2^620442212454 is an apocalyptic number.

620442212454 is an abundant number, since it is smaller than the sum of its proper divisors (759048375546).

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

620442212454 is a wasteful number, since it uses less digits than its factorization.

620442212454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084309 (or 6084303 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The spelling of 620442212454 in words is "six hundred twenty billion, four hundred forty-two million, two hundred twelve thousand, four hundred fifty-four".