20312100223132 has 12 divisors (see below), whose sum is σ = 35616010709160. Its totient is φ = 10136097163376.

The previous prime is 20312100223123. The next prime is 20312100223183. The reversal of 20312100223132 is 23132200121302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4988234758 + ... + 4988238829.

It is an arithmetic number, because the mean of its divisors is an integer number (2968000892430).

Almost surely, 2^{20312100223132} is an apocalyptic number.

It is an amenable number.

20312100223132 is a deficient number, since it is larger than the sum of its proper divisors (15303910486028).

20312100223132 is a wasteful number, since it uses less digits than its factorization.

20312100223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9976474100 (or 9976474098 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20312100223132 its reverse (23132200121302), we get a palindrome (43444300344434).

The spelling of 20312100223132 in words is "twenty trillion, three hundred twelve billion, one hundred million, two hundred twenty-three thousand, one hundred thirty-two".