20323211202 has 96 divisors (see below), whose sum is σ = 52849305600. Its totient is φ = 5733054288.

The previous prime is 20323211179. The next prime is 20323211299. The reversal of 20323211202 is 20211232302.

It is a super-2 number, since 2×20323211202² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230949 + ... + 306567.

It is an arithmetic number, because the mean of its divisors is an integer number (550513600).

Almost surely, 2^20323211202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20323211202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26424652800).

20323211202 is an abundant number, since it is smaller than the sum of its proper divisors (32526094398).

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

20323211202 is an equidigital number, since it uses as much as digits as its factorization.

20323211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75722 (or 75710 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20323211202 its reverse (20211232302), we get a palindrome (40534443504).

The spelling of 20323211202 in words is "twenty billion, three hundred twenty-three million, two hundred eleven thousand, two hundred two".