20332131226 has 32 divisors (see below), whose sum is σ = 33890218560. Its totient is φ = 9071395200.

The previous prime is 20332131221. The next prime is 20332131227. The reversal of 20332131226 is 62213123302.

It is a self number, because there is not a number n which added to its sum of digits gives 20332131226.

It is not an unprimeable number, because it can be changed into a prime (20332131221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216966 + ... + 296206.

It is an arithmetic number, because the mean of its divisors is an integer number (1059069330).

Almost surely, 2^20332131226 is an apocalyptic number.

20332131226 is a deficient number, since it is larger than the sum of its proper divisors (13558087334).

20332131226 is a wasteful number, since it uses less digits than its factorization.

20332131226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79470.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20332131226 its reverse (62213123302), we get a palindrome (82545254528).

The spelling of 20332131226 in words is "twenty billion, three hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty-six".