20022201123 has 8 divisors (see below), whose sum is σ = 26696947728. Its totient is φ = 13347794304.

The previous prime is 20022201077. The next prime is 20022201139. The reversal of 20022201123 is 32110222002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20022201123 - 2¹⁷ = 20022070051 is a prime.

It is a super-2 number, since 2×20022201123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20022201223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130911 + ... + 239127.

It is an arithmetic number, because the mean of its divisors is an integer number (3337118466).

Almost surely, 2^20022201123 is an apocalyptic number.

20022201123 is a deficient number, since it is larger than the sum of its proper divisors (6674746605).

20022201123 is a wasteful number, since it uses less digits than its factorization.

20022201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169893.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20022201123 its reverse (32110222002), we get a palindrome (52132423125).

The spelling of 20022201123 in words is "twenty billion, twenty-two million, two hundred one thousand, one hundred twenty-three".