30620893480 has 32 divisors (see below), whose sum is σ = 68907675240. Its totient is φ = 12246461440.

The previous prime is 30620893477. The next prime is 30620893483. The reversal of 30620893480 is 8439802603.

It is an interprime number because it is at equal distance from previous prime (30620893477) and next prime (30620893483).

It can be written as a sum of positive squares in 4 ways, for example, as 11732789124 + 18888104356 = 108318^2 + 137434^2 .

It is not an unprimeable number, because it can be changed into a prime (30620893483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218460 + ... + 330100.

Almost surely, 2^30620893480 is an apocalyptic number.

It is an amenable number.

30620893480 is an abundant number, since it is smaller than the sum of its proper divisors (38286781760).

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

30620893480 is a wasteful number, since it uses less digits than its factorization.

30620893480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118509 (or 118505 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 30620893480 in words is "thirty billion, six hundred twenty million, eight hundred ninety-three thousand, four hundred eighty".