20102212323 has 12 divisors (see below), whose sum is σ = 29128130928. Its totient is φ = 13359197040.

The previous prime is 20102212303. The next prime is 20102212337. The reversal of 20102212323 is 32321220102.

It is not a de Polignac number, because 20102212323 - 2²⁴ = 20085435107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102212296 and 20102212305.

It is not an unprimeable number, because it can be changed into a prime (20102212303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3520143 + ... + 3525848.

It is an arithmetic number, because the mean of its divisors is an integer number (2427344244).

Almost surely, 2^20102212323 is an apocalyptic number.

20102212323 is a deficient number, since it is larger than the sum of its proper divisors (9025918605).

20102212323 is a wasteful number, since it uses less digits than its factorization.

20102212323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046314 (or 7046311 counting only the distinct ones).

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

Adding to 20102212323 its reverse (32321220102), we get a palindrome (52423432425).

The spelling of 20102212323 in words is "twenty billion, one hundred two million, two hundred twelve thousand, three hundred twenty-three".