20112013131230 has 32 divisors (see below), whose sum is σ = 37403167785984. Its totient is φ = 7781428228896.

The previous prime is 20112013131229. The next prime is 20112013131257. The reversal of 20112013131230 is 3213131021102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227004854 + ... + 227093433.

It is an arithmetic number, because the mean of its divisors is an integer number (1168848993312).

Almost surely, 2^{20112013131230} is an apocalyptic number.

20112013131230 is a deficient number, since it is larger than the sum of its proper divisors (17291154654754).

20112013131230 is a wasteful number, since it uses less digits than its factorization.

20112013131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454098440.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20112013131230 its reverse (3213131021102), we get a palindrome (23325144152332).

The spelling of 20112013131230 in words is "twenty trillion, one hundred twelve billion, thirteen million, one hundred thirty-one thousand, two hundred thirty".