20022401244340 has 48 divisors (see below), whose sum is σ = 45934197442560. Its totient is φ = 7270603908480.

The previous prime is 20022401244271. The next prime is 20022401244413. The reversal of 20022401244340 is 4344210422002.

It is a junction number, because it is equal to n+sod(n) for n = 20022401244299 and 20022401244308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64026612 + ... + 64338571.

It is an arithmetic number, because the mean of its divisors is an integer number (956962446720).

Almost surely, 2^{20022401244340} is an apocalyptic number.

20022401244340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022401244340 is an abundant number, since it is smaller than the sum of its proper divisors (25911796198220).

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

20022401244340 is a wasteful number, since it uses less digits than its factorization.

20022401244340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128365912 (or 128365910 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20022401244340 its reverse (4344210422002), we get a palindrome (24366611666342).

The spelling of 20022401244340 in words is "twenty trillion, twenty-two billion, four hundred one million, two hundred forty-four thousand, three hundred forty".