100020322132 has 24 divisors (see below), whose sum is σ = 182244163752. Its totient is φ = 47990553600.

The previous prime is 100020322099. The next prime is 100020322151. The reversal of 100020322132 is 231223020001.

It can be written as a sum of positive squares in 4 ways, for example, as 12756798916 + 87263523216 = 112946^2 + 295404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4989013 + ... + 5009020.

It is an arithmetic number, because the mean of its divisors is an integer number (7593506823).

Almost surely, 2^100020322132 is an apocalyptic number.

It is an amenable number.

100020322132 is a deficient number, since it is larger than the sum of its proper divisors (82223841620).

100020322132 is a wasteful number, since it uses less digits than its factorization.

100020322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9998139 (or 9998137 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100020322132 its reverse (231223020001), we get a palindrome (331243342133).

The spelling of 100020322132 in words is "one hundred billion, twenty million, three hundred twenty-two thousand, one hundred thirty-two".