20115250330 has 16 divisors (see below), whose sum is σ = 41379943680. Its totient is φ = 6896657232.

The previous prime is 20115250327. The next prime is 20115250349. The reversal of 20115250330 is 3305251102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143680290 + ... + 143680429.

It is an arithmetic number, because the mean of its divisors is an integer number (2586246480).

Almost surely, 2^20115250330 is an apocalyptic number.

20115250330 is an abundant number, since it is smaller than the sum of its proper divisors (21264693350).

20115250330 is a wasteful number, since it uses less digits than its factorization.

20115250330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287360733.

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 20115250330 in words is "twenty billion, one hundred fifteen million, two hundred fifty thousand, three hundred thirty".