20427202392 has 32 divisors (see below), whose sum is σ = 51641809200. Its totient is φ = 6732560384.

The previous prime is 20427202391. The next prime is 20427202421. The reversal of 20427202392 is 29320272402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20427202391) 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 7 ways as a sum of consecutive naturals, for example, 4779513 + ... + 4783784.

Almost surely, 2^20427202392 is an apocalyptic number.

It is an amenable number.

20427202392 is an abundant number, since it is smaller than the sum of its proper divisors (31214606808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20427202392 is a wasteful number, since it uses less digits than its factorization.

20427202392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563395 (or 9563391 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 20427202392 its reverse (29320272402), we get a palindrome (49747474794).

The spelling of 20427202392 in words is "twenty billion, four hundred twenty-seven million, two hundred two thousand, three hundred ninety-two".