20130109999999 has 16 divisors (see below), whose sum is σ = 22842046450368. Its totient is φ = 17632456883712.

The previous prime is 20130109999997. The next prime is 20130110000029. The reversal of 20130109999999 is 99999990103102.

It is a cyclic number.

It is not a de Polignac number, because 20130109999999 - 2¹ = 20130109999997 is a prime.

It is a super-2 number, since 2×20130109999999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

20130109999999 is a modest number, since divided by 9999999 gives 2013010 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130109999997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695710632 + ... + 695739565.

It is an arithmetic number, because the mean of its divisors is an integer number (1427627903148).

Almost surely, 2^{20130109999999} is an apocalyptic number.

20130109999999 is a deficient number, since it is larger than the sum of its proper divisors (2711936450369).

20130109999999 is a wasteful number, since it uses less digits than its factorization.

20130109999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391450274.

The product of its (nonzero) digits is 28697814, while the sum is 70.

The spelling of 20130109999999 in words is "twenty trillion, one hundred thirty billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".