620028001287432 has 48 divisors (see below), whose sum is σ = 1679395763130540. Its totient is φ = 206657137703808.

The previous prime is 620028001287413. The next prime is 620028001287437. The reversal of 620028001287432 is 234782100820026.

620028001287432 is a `hidden beast` number, since 6 + 200 + 2 + 8 + 0 + 0 + 1 + 2 + 8 + 7 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 609012864250596 + 11015137036836 = 24678186^2 + 3318906^2 .

It is not an unprimeable number, because it can be changed into a prime (620028001287437) 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, 392179063 + ... + 393756870.

Almost surely, 2^{620028001287432} is an apocalyptic number.

It is an amenable number.

620028001287432 is an abundant number, since it is smaller than the sum of its proper divisors (1059367761843108).

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

620028001287432 is a wasteful number, since it uses less digits than its factorization.

620028001287432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785946902 (or 785946895 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 620028001287432 in words is "six hundred twenty trillion, twenty-eight billion, one million, two hundred eighty-seven thousand, four hundred thirty-two".