20220021230231 has 16 divisors (see below), whose sum is σ = 21573320820480. Its totient is φ = 18884937402240.

The previous prime is 20220021230141. The next prime is 20220021230237. The reversal of 20220021230231 is 13203212002202.

It is a happy number.

It is not a de Polignac number, because 20220021230231 - 2³⁴ = 20202841361047 is a prime.

It is a super-2 number, since 2×20220021230231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220021230237) 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, 189168080 + ... + 189274938.

It is an arithmetic number, because the mean of its divisors is an integer number (1348332551280).

Almost surely, 2^{20220021230231} is an apocalyptic number.

20220021230231 is a deficient number, since it is larger than the sum of its proper divisors (1353299590249).

20220021230231 is a wasteful number, since it uses less digits than its factorization.

20220021230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191974.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20220021230231 its reverse (13203212002202), we get a palindrome (33423233232433).

The spelling of 20220021230231 in words is "twenty trillion, two hundred twenty billion, twenty-one million, two hundred thirty thousand, two hundred thirty-one".