20021202232 has 16 divisors (see below), whose sum is σ = 37992041640. Its totient is φ = 9889991136.

The previous prime is 20021202221. The next prime is 20021202247. The reversal of 20021202232 is 23220212002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15075543 + ... + 15076870.

Almost surely, 2^20021202232 is an apocalyptic number.

It is an amenable number.

20021202232 is a deficient number, since it is larger than the sum of its proper divisors (17970839408).

20021202232 is a wasteful number, since it uses less digits than its factorization.

20021202232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30152502 (or 30152498 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20021202232 its reverse (23220212002), we get a palindrome (43241414234).

The spelling of 20021202232 in words is "twenty billion, twenty-one million, two hundred two thousand, two hundred thirty-two".