20022552111 has 16 divisors (see below), whose sum is σ = 28558553184. Its totient is φ = 12433649664.

The previous prime is 20022552101. The next prime is 20022552161. The reversal of 20022552111 is 11125522002.

It is not a de Polignac number, because 20022552111 - 2¹¹ = 20022550063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022552101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018760 + ... + 2028653.

It is an arithmetic number, because the mean of its divisors is an integer number (1784909574).

Almost surely, 2^20022552111 is an apocalyptic number.

20022552111 is a deficient number, since it is larger than the sum of its proper divisors (8536001073).

20022552111 is a wasteful number, since it uses less digits than its factorization.

20022552111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047530.

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 20022552111 in words is "twenty billion, twenty-two million, five hundred fifty-two thousand, one hundred eleven".