20432121022 has 8 divisors (see below), whose sum is σ = 30658410000. Its totient is φ = 10212651024.

The previous prime is 20432120941. The next prime is 20432121079. The reversal of 20432121022 is 22012123402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697247 + ... + 1709242.

It is an arithmetic number, because the mean of its divisors is an integer number (3832301250).

Almost surely, 2^20432121022 is an apocalyptic number.

20432121022 is a deficient number, since it is larger than the sum of its proper divisors (10226288978).

20432121022 is a wasteful number, since it uses less digits than its factorization.

20432121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409490.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20432121022 its reverse (22012123402), we get a palindrome (42444244424).

The spelling of 20432121022 in words is "twenty billion, four hundred thirty-two million, one hundred twenty-one thousand, twenty-two".