20281222422650 has 24 divisors (see below), whose sum is σ = 43112084236320. Its totient is φ = 6953561973360.

The previous prime is 20281222422647. The next prime is 20281222422661. The reversal of 20281222422650 is 5622422218202.

It is a super-2 number, since 2×20281222422650² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28973174540 + ... + 28973175239.

It is an arithmetic number, because the mean of its divisors is an integer number (1796336843180).

Almost surely, 2^{20281222422650} is an apocalyptic number.

20281222422650 is an abundant number, since it is smaller than the sum of its proper divisors (22830861813670).

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

20281222422650 is a wasteful number, since it uses less digits than its factorization.

20281222422650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57946349798 (or 57946349793 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 20281222422650 in words is "twenty trillion, two hundred eighty-one billion, two hundred twenty-two million, four hundred twenty-two thousand, six hundred fifty".