20222694890144 has 24 divisors (see below), whose sum is σ = 39816683801748. Its totient is φ = 10110521226240.

The previous prime is 20222694890131. The next prime is 20222694890197. The reversal of 20222694890144 is 44109849622202.

It can be written as a sum of positive squares in 2 ways, for example, as 19292650675600 + 930044214544 = 4392340^2 + 964388^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25421507 + ... + 26204930.

Almost surely, 2^{20222694890144} is an apocalyptic number.

It is an amenable number.

20222694890144 is a deficient number, since it is larger than the sum of its proper divisors (19593988911604).

20222694890144 is a wasteful number, since it uses less digits than its factorization.

20222694890144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51638688 (or 51638680 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 20222694890144 in words is "twenty trillion, two hundred twenty-two billion, six hundred ninety-four million, eight hundred ninety thousand, one hundred forty-four".