22102020003312 has 160 divisors (see below), whose sum is σ = 64197112550400. Its totient is φ = 7279643238912.

The previous prime is 22102020003311. The next prime is 22102020003313. The reversal of 22102020003312 is 21330002020122.

It is an interprime number because it is at equal distance from previous prime (22102020003311) and next prime (22102020003313).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102020003311) 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, 56978883 + ... + 57365469.

It is an arithmetic number, because the mean of its divisors is an integer number (401231953440).

Almost surely, 2^{22102020003312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22102020003312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32098556275200).

22102020003312 is an abundant number, since it is smaller than the sum of its proper divisors (42095092547088).

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

22102020003312 is a wasteful number, since it uses less digits than its factorization.

22102020003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388180 (or 388168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22102020003312 its reverse (21330002020122), we get a palindrome (43432022023434).

The spelling of 22102020003312 in words is "twenty-two trillion, one hundred two billion, twenty million, three thousand, three hundred twelve".