20431033133322 has 32 divisors (see below), whose sum is σ = 46700642044800. Its totient is φ = 5837295820608.

The previous prime is 20431033133317. The next prime is 20431033133323. The reversal of 20431033133322 is 22333133013402.

It is a super-2 number, since 2×20431033133322² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20431033133322.

It is not an unprimeable number, because it can be changed into a prime (20431033133323) 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, 4175197 + ... + 7635072.

It is an arithmetic number, because the mean of its divisors is an integer number (1459395063900).

Almost surely, 2^{20431033133322} is an apocalyptic number.

20431033133322 is an abundant number, since it is smaller than the sum of its proper divisors (26269608911478).

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

20431033133322 is a wasteful number, since it uses less digits than its factorization.

20431033133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851470.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 20431033133322 its reverse (22333133013402), we get a palindrome (42764166146724).

The spelling of 20431033133322 in words is "twenty trillion, four hundred thirty-one billion, thirty-three million, one hundred thirty-three thousand, three hundred twenty-two".