20402372282 has 32 divisors (see below), whose sum is σ = 33530112000. Its totient is φ = 9272406528.

The previous prime is 20402372281. The next prime is 20402372293. The reversal of 20402372282 is 28227320402.

It is not an unprimeable number, because it can be changed into a prime (20402372281) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51719 + ... + 208517.

It is an arithmetic number, because the mean of its divisors is an integer number (1047816000).

Almost surely, 2^20402372282 is an apocalyptic number.

20402372282 is a deficient number, since it is larger than the sum of its proper divisors (13127739718).

20402372282 is a wasteful number, since it uses less digits than its factorization.

20402372282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156950.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 20402372282 its reverse (28227320402), we get a palindrome (48629692684).

The spelling of 20402372282 in words is "twenty billion, four hundred two million, three hundred seventy-two thousand, two hundred eighty-two".