20221435323 has 16 divisors (see below), whose sum is σ = 30767350560. Its totient is φ = 13116606048.

The previous prime is 20221435309. The next prime is 20221435357. The reversal of 20221435323 is 32353412202.

20221435323 is a `hidden beast` number, since 2 + 0 + 221 + 435 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 20221435323 - 2¹² = 20221431227 is a prime.

It is a super-2 number, since 2×20221435323² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20221435363) 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, 10119840 + ... + 10121837.

It is an arithmetic number, because the mean of its divisors is an integer number (1922959410).

Almost surely, 2^20221435323 is an apocalyptic number.

20221435323 is a deficient number, since it is larger than the sum of its proper divisors (10545915237).

20221435323 is a wasteful number, since it uses less digits than its factorization.

20221435323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20241723 (or 20241717 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20221435323 its reverse (32353412202), we get a palindrome (52574847525).

The spelling of 20221435323 in words is "twenty billion, two hundred twenty-one million, four hundred thirty-five thousand, three hundred twenty-three".