20133020222031 has 4 divisors (see below), whose sum is σ = 26844026962712. Its totient is φ = 13422013481352.

The previous prime is 20133020222023. The next prime is 20133020222053. The reversal of 20133020222031 is 13022202033102.

It is a happy number.

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

It is not a de Polignac number, because 20133020222031 - 2³ = 20133020222023 is a prime.

It is a super-2 number, since 2×20133020222031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133020221989 and 20133020222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133020222071) 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, 3355503370336 + ... + 3355503370341.

It is an arithmetic number, because the mean of its divisors is an integer number (6711006740678).

Almost surely, 2^{20133020222031} is an apocalyptic number.

20133020222031 is a deficient number, since it is larger than the sum of its proper divisors (6711006740681).

20133020222031 is an equidigital number, since it uses as much as digits as its factorization.

20133020222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711006740680.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20133020222031 its reverse (13022202033102), we get a palindrome (33155222255133).

The spelling of 20133020222031 in words is "twenty trillion, one hundred thirty-three billion, twenty million, two hundred twenty-two thousand, thirty-one".