20022221160 has 96 divisors (see below), whose sum is σ = 65090844000. Its totient is φ = 5337730944.

The previous prime is 20022221159. The next prime is 20022221161. The reversal of 20022221160 is 6112222002.

It is an interprime number because it is at equal distance from previous prime (20022221159) and next prime (20022221161).

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

It is not an unprimeable number, because it can be changed into a prime (20022221161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1859071 + ... + 1869809.

It is an arithmetic number, because the mean of its divisors is an integer number (678029625).

Almost surely, 2^20022221160 is an apocalyptic number.

20022221160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022221160 is an abundant number, since it is smaller than the sum of its proper divisors (45068622840).

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

20022221160 is a wasteful number, since it uses less digits than its factorization.

20022221160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935 (or 15928 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20022221160 its reverse (6112222002), we get a palindrome (26134443162).

The spelling of 20022221160 in words is "twenty billion, twenty-two million, two hundred twenty-one thousand, one hundred sixty".