20011233023131 has 32 divisors (see below), whose sum is σ = 23895936086400. Its totient is φ = 16394928076800.

The previous prime is 20011233023101. The next prime is 20011233023141. The reversal of 20011233023131 is 13132033211002.

It is not a de Polignac number, because 20011233023131 - 2²³ = 20011224634523 is a prime.

It is a super-2 number, since 2×20011233023131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011233023101) 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, 169480291 + ... + 169598323.

It is an arithmetic number, because the mean of its divisors is an integer number (746748002700).

Almost surely, 2^{20011233023131} is an apocalyptic number.

20011233023131 is a deficient number, since it is larger than the sum of its proper divisors (3884703063269).

20011233023131 is a wasteful number, since it uses less digits than its factorization.

20011233023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126439.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20011233023131 its reverse (13132033211002), we get a palindrome (33143266234133).

The spelling of 20011233023131 in words is "twenty trillion, eleven billion, two hundred thirty-three million, twenty-three thousand, one hundred thirty-one".