20220201231 has 8 divisors (see below), whose sum is σ = 26961590064. Its totient is φ = 13479473280.

The previous prime is 20220201229. The next prime is 20220201233. The reversal of 20220201231 is 13210202202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20220201229) and next prime (20220201233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20220201231 - 2¹ = 20220201229 is a prime.

It is a super-2 number, since 2×20220201231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20220201231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220201233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88776 + ... + 219821.

It is an arithmetic number, because the mean of its divisors is an integer number (3370198758).

Almost surely, 2^20220201231 is an apocalyptic number.

20220201231 is a deficient number, since it is larger than the sum of its proper divisors (6741388833).

20220201231 is a wasteful number, since it uses less digits than its factorization.

20220201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330441.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20220201231 its reverse (13210202202), we get a palindrome (33430403433).

The spelling of 20220201231 in words is "twenty billion, two hundred twenty million, two hundred one thousand, two hundred thirty-one".