20133113233209 has 32 divisors (see below), whose sum is σ = 27073969004544. Its totient is φ = 13307681237760.

The previous prime is 20133113233201. The next prime is 20133113233231. The reversal of 20133113233209 is 90233231133102.

It is not a de Polignac number, because 20133113233209 - 2³ = 20133113233201 is a prime.

It is a super-2 number, since 2×20133113233209² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20133113233209.

It is not an unprimeable number, because it can be changed into a prime (20133113233201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819372894 + ... + 819397464.

It is an arithmetic number, because the mean of its divisors is an integer number (846061531392).

Almost surely, 2^{20133113233209} is an apocalyptic number.

It is an amenable number.

20133113233209 is a deficient number, since it is larger than the sum of its proper divisors (6940855771335).

20133113233209 is a wasteful number, since it uses less digits than its factorization.

20133113233209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29717.

The product of its (nonzero) digits is 17496, while the sum is 33.

The spelling of 20133113233209 in words is "twenty trillion, one hundred thirty-three billion, one hundred thirteen million, two hundred thirty-three thousand, two hundred nine".