20221916193 has 32 divisors (see below), whose sum is σ = 30116468480. Its totient is φ = 13410334080.

The previous prime is 20221916179. The next prime is 20221916213. The reversal of 20221916193 is 39161912202.

20221916193 is a `hidden beast` number, since 2 + 0 + 22 + 19 + 1 + 619 + 3 = 666.

It is not a de Polignac number, because 20221916193 - 2⁸ = 20221915937 is a prime.

It is a super-2 number, since 2×20221916193² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221916093) 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, 4569780 + ... + 4574202.

It is an arithmetic number, because the mean of its divisors is an integer number (941139640).

Almost surely, 2^20221916193 is an apocalyptic number.

It is an amenable number.

20221916193 is a deficient number, since it is larger than the sum of its proper divisors (9894552287).

20221916193 is a wasteful number, since it uses less digits than its factorization.

20221916193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286 (or 5280 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 20221916193 in words is "twenty billion, two hundred twenty-one million, nine hundred sixteen thousand, one hundred ninety-three".