20431332202 has 16 divisors (see below), whose sum is σ = 31273610112. Its totient is φ = 10007392720.

The previous prime is 20431332197. The next prime is 20431332217. The reversal of 20431332202 is 20223313402.

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 7 ways as a sum of consecutive naturals, for example, 80374 + ... + 217537.

It is an arithmetic number, because the mean of its divisors is an integer number (1954600632).

Almost surely, 2^20431332202 is an apocalyptic number.

20431332202 is a deficient number, since it is larger than the sum of its proper divisors (10842277910).

20431332202 is a wasteful number, since it uses less digits than its factorization.

20431332202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298613.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20431332202 its reverse (20223313402), we get a palindrome (40654645604).

The spelling of 20431332202 in words is "twenty billion, four hundred thirty-one million, three hundred thirty-two thousand, two hundred two".