620984798032 has 20 divisors (see below), whose sum is σ = 1204874413236. Its totient is φ = 310049465600.

The previous prime is 620984798011. The next prime is 620984798101. The reversal of 620984798032 is 230897489026.

It can be written as a sum of positive squares in 2 ways, for example, as 343049175616 + 277935622416 = 585704^2 + 527196^2 .

It is a super-3 number, since 3×620984798032³ (a number of 36 digits) contains 333 as substring.

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, 27671773 + ... + 27694204.

Almost surely, 2^620984798032 is an apocalyptic number.

It is an amenable number.

620984798032 is a deficient number, since it is larger than the sum of its proper divisors (583889615204).

620984798032 is a wasteful number, since it uses less digits than its factorization.

620984798032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55366686 (or 55366680 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 620984798032 in words is "six hundred twenty billion, nine hundred eighty-four million, seven hundred ninety-eight thousand, thirty-two".