20123210332 has 6 divisors (see below), whose sum is σ = 35215618088. Its totient is φ = 10061605164.

The previous prime is 20123210329. The next prime is 20123210351. The reversal of 20123210332 is 23301232102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515401288 + ... + 2515401295.

Almost surely, 2^20123210332 is an apocalyptic number.

It is an amenable number.

20123210332 is a deficient number, since it is larger than the sum of its proper divisors (15092407756).

20123210332 is a wasteful number, since it uses less digits than its factorization.

20123210332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030802587 (or 5030802585 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20123210332 its reverse (23301232102), we get a palindrome (43424442434).

The spelling of 20123210332 in words is "twenty billion, one hundred twenty-three million, two hundred ten thousand, three hundred thirty-two".