20022551116620 has 96 divisors (see below), whose sum is σ = 60382304660160. Its totient is φ = 4928088207360.

The previous prime is 20022551116597. The next prime is 20022551116627. The reversal of 20022551116620 is 2661115522002.

It is not an unprimeable number, because it can be changed into a prime (20022551116627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5744536 + ... + 8546624.

It is an arithmetic number, because the mean of its divisors is an integer number (628982340210).

Almost surely, 2^{20022551116620} is an apocalyptic number.

20022551116620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022551116620 is an abundant number, since it is smaller than the sum of its proper divisors (40359753543540).

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

20022551116620 is a wasteful number, since it uses less digits than its factorization.

20022551116620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811275 (or 2811273 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 20022551116620 its reverse (2661115522002), we get a palindrome (22683666638622).

The spelling of 20022551116620 in words is "twenty trillion, twenty-two billion, five hundred fifty-one million, one hundred sixteen thousand, six hundred twenty".