620132133654 has 64 divisors (see below), whose sum is σ = 1509067169280. Its totient is φ = 187204260960.

The previous prime is 620132133589. The next prime is 620132133671. The reversal of 620132133654 is 456331231026.

620132133654 is a `hidden beast` number, since 620 + 1 + 3 + 21 + 3 + 3 + 6 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1828557 + ... + 2141000.

It is an arithmetic number, because the mean of its divisors is an integer number (23579174520).

Almost surely, 2^620132133654 is an apocalyptic number.

620132133654 is an abundant number, since it is smaller than the sum of its proper divisors (888935035626).

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

620132133654 is a wasteful number, since it uses less digits than its factorization.

620132133654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969842 (or 3969836 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 620132133654 in words is "six hundred twenty billion, one hundred thirty-two million, one hundred thirty-three thousand, six hundred fifty-four".