20333101020131 has 4 divisors (see below), whose sum is σ = 20333119655472. Its totient is φ = 20333082384792.

The previous prime is 20333101020107. The next prime is 20333101020137. The reversal of 20333101020131 is 13102010133302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20333101020131 is a prime.

It is a super-2 number, since 2×20333101020131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333101020137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7571996 + ... + 9899561.

It is an arithmetic number, because the mean of its divisors is an integer number (5083279913868).

Almost surely, 2^{20333101020131} is an apocalyptic number.

20333101020131 is a deficient number, since it is larger than the sum of its proper divisors (18635341).

20333101020131 is a wasteful number, since it uses less digits than its factorization.

20333101020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18635340.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20333101020131 its reverse (13102010133302), we get a palindrome (33435111153433).

The spelling of 20333101020131 in words is "twenty trillion, three hundred thirty-three billion, one hundred one million, twenty thousand, one hundred thirty-one".