20022182028 has 18 divisors (see below), whose sum is σ = 50611626884. Its totient is φ = 6674060664.

The previous prime is 20022182027. The next prime is 20022182039. The reversal of 20022182028 is 82028122002.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×20022182028³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20022181992 and 20022182010.

It is not an unprimeable number, because it can be changed into a prime (20022182027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278085826 + ... + 278085897.

Almost surely, 2^20022182028 is an apocalyptic number.

It is an amenable number.

20022182028 is an abundant number, since it is smaller than the sum of its proper divisors (30589444856).

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

20022182028 is a wasteful number, since it uses less digits than its factorization.

20022182028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556171733 (or 556171728 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The spelling of 20022182028 in words is "twenty billion, twenty-two million, one hundred eighty-two thousand, twenty-eight".