20005551022 has 16 divisors (see below), whose sum is σ = 31723295760. Its totient is φ = 9435638592.

The previous prime is 20005551011. The next prime is 20005551037. The reversal of 20005551022 is 22015550002.

It is a junction number, because it is equal to n+sod(n) for n = 20005550984 and 20005551002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120893 + ... + 1138600.

It is an arithmetic number, because the mean of its divisors is an integer number (1982705985).

Almost surely, 2^20005551022 is an apocalyptic number.

20005551022 is a deficient number, since it is larger than the sum of its proper divisors (11717744738).

20005551022 is a wasteful number, since it uses less digits than its factorization.

20005551022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259747.

The product of its (nonzero) digits is 1000, while the sum is 22.

The spelling of 20005551022 in words is "twenty billion, five million, five hundred fifty-one thousand, twenty-two".