20002042222440 has 32 divisors (see below), whose sum is σ = 60006126667680. Its totient is φ = 5333877925952.

The previous prime is 20002042222423. The next prime is 20002042222451. The reversal of 20002042222440 is 4422224020002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20002042222440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83341842474 + ... + 83341842713.

It is an arithmetic number, because the mean of its divisors is an integer number (1875191458365).

Almost surely, 2^{20002042222440} is an apocalyptic number.

20002042222440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002042222440 is an abundant number, since it is smaller than the sum of its proper divisors (40004084445240).

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

20002042222440 is a wasteful number, since it uses less digits than its factorization.

20002042222440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166683685201 (or 166683685197 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20002042222440 its reverse (4422224020002), we get a palindrome (24424266242442).

The spelling of 20002042222440 in words is "twenty trillion, two billion, forty-two million, two hundred twenty-two thousand, four hundred forty".