20245408770630 has 64 divisors (see below), whose sum is σ = 48785731727040. Its totient is φ = 5376953995776.

The previous prime is 20245408770571. The next prime is 20245408770677. The reversal of 20245408770630 is 3607780454202.

It is a self number, because there is not a number n which added to its sum of digits gives 20245408770630.

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, 6968136 + ... + 9436404.

It is an arithmetic number, because the mean of its divisors is an integer number (762277058235).

Almost surely, 2^{20245408770630} is an apocalyptic number.

20245408770630 is an abundant number, since it is smaller than the sum of its proper divisors (28540322956410).

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

20245408770630 is a wasteful number, since it uses less digits than its factorization.

20245408770630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469385.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 20245408770630 in words is "twenty trillion, two hundred forty-five billion, four hundred eight million, seven hundred seventy thousand, six hundred thirty".