20130525242 has 16 divisors (see below), whose sum is σ = 31368394752. Its totient is φ = 9678530160.

The previous prime is 20130525241. The next prime is 20130525257. The reversal of 20130525242 is 24252503102.

It is not an unprimeable number, because it can be changed into a prime (20130525241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024298 + ... + 1043765.

It is an arithmetic number, because the mean of its divisors is an integer number (1960524672).

Almost surely, 2^20130525242 is an apocalyptic number.

20130525242 is a deficient number, since it is larger than the sum of its proper divisors (11237869510).

20130525242 is a wasteful number, since it uses less digits than its factorization.

20130525242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068253.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20130525242 in words is "twenty billion, one hundred thirty million, five hundred twenty-five thousand, two hundred forty-two".