20202011202231 has 48 divisors (see below), whose sum is σ = 31005929878560. Its totient is φ = 12650857793280.

The previous prime is 20202011202221. The next prime is 20202011202251. The reversal of 20202011202231 is 13220211020202.

20202011202231 is a `hidden beast` number, since 20 + 202 + 0 + 11 + 202 + 231 = 666.

It is not a de Polignac number, because 20202011202231 - 2¹¹ = 20202011200183 is a prime.

It is a super-2 number, since 2×20202011202231² (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 (20202011202221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99665221 + ... + 99867713.

It is an arithmetic number, because the mean of its divisors is an integer number (645956872470).

Almost surely, 2^{20202011202231} is an apocalyptic number.

20202011202231 is a deficient number, since it is larger than the sum of its proper divisors (10803918676329).

20202011202231 is a wasteful number, since it uses less digits than its factorization.

20202011202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212896 (or 212893 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20202011202231 its reverse (13220211020202), we get a palindrome (33422222222433).

The spelling of 20202011202231 in words is "twenty trillion, two hundred two billion, eleven million, two hundred two thousand, two hundred thirty-one".