20023323222 has 32 divisors (see below), whose sum is σ = 45778328064. Its totient is φ = 5719608000.

The previous prime is 20023323211. The next prime is 20023323247. The reversal of 20023323222 is 22232332002.

It is a super-2 number, since 2×20023323222² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 132847 + ... + 240197.

It is an arithmetic number, because the mean of its divisors is an integer number (1430572752).

Almost surely, 2^20023323222 is an apocalyptic number.

20023323222 is an abundant number, since it is smaller than the sum of its proper divisors (25755004842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20023323222 is a wasteful number, since it uses less digits than its factorization.

20023323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111804.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20023323222 its reverse (22232332002), we get a palindrome (42255655224).

The spelling of 20023323222 in words is "twenty billion, twenty-three million, three hundred twenty-three thousand, two hundred twenty-two".