20132210133231 has 16 divisors (see below), whose sum is σ = 30677861220864. Its totient is φ = 11504042194464.

The previous prime is 20132210133221. The next prime is 20132210133251. The reversal of 20132210133231 is 13233101223102.

It is not a de Polignac number, because 20132210133231 - 2¹¹ = 20132210131183 is a prime.

It is a super-2 number, since 2×20132210133231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132210133221) 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, 6526 + ... + 6345428.

It is an arithmetic number, because the mean of its divisors is an integer number (1917366326304).

Almost surely, 2^{20132210133231} is an apocalyptic number.

20132210133231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20132210133231 is a deficient number, since it is larger than the sum of its proper divisors (10545651087633).

20132210133231 is a wasteful number, since it uses less digits than its factorization.

20132210133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490150.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20132210133231 its reverse (13233101223102), we get a palindrome (33365311356333).

The spelling of 20132210133231 in words is "twenty trillion, one hundred thirty-two billion, two hundred ten million, one hundred thirty-three thousand, two hundred thirty-one".