20022550243031 has 4 divisors (see below), whose sum is σ = 22882914563472. Its totient is φ = 17162185922592.

The previous prime is 20022550243001. The next prime is 20022550243039. The reversal of 20022550243031 is 13034205522002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022550243031 - 2¹⁴ = 20022550226647 is a prime.

It is a super-2 number, since 2×20022550243031² (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 = 20022550242985 and 20022550243003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022550243039) 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, 1430182160210 + ... + 1430182160223.

It is an arithmetic number, because the mean of its divisors is an integer number (5720728640868).

Almost surely, 2^{20022550243031} is an apocalyptic number.

20022550243031 is a deficient number, since it is larger than the sum of its proper divisors (2860364320441).

20022550243031 is an equidigital number, since it uses as much as digits as its factorization.

20022550243031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860364320440.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20022550243031 its reverse (13034205522002), we get a palindrome (33056755765033).

The spelling of 20022550243031 in words is "twenty trillion, twenty-two billion, five hundred fifty million, two hundred forty-three thousand, thirty-one".