20322022123 has 4 divisors (see below), whose sum is σ = 21885254608. Its totient is φ = 18758789640.

The previous prime is 20322022081. The next prime is 20322022153. The reversal of 20322022123 is 32122022302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32122022302 = 2 ⋅16061011151.

It is a cyclic number.

It is not a de Polignac number, because 20322022123 - 2²¹ = 20319924971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20322022123.

It is not an unprimeable number, because it can be changed into a prime (20322022153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781616223 + ... + 781616248.

It is an arithmetic number, because the mean of its divisors is an integer number (5471313652).

Almost surely, 2^20322022123 is an apocalyptic number.

20322022123 is a deficient number, since it is larger than the sum of its proper divisors (1563232485).

20322022123 is a wasteful number, since it uses less digits than its factorization.

20322022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563232484.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20322022123 its reverse (32122022302), we get a palindrome (52444044425).

The spelling of 20322022123 in words is "twenty billion, three hundred twenty-two million, twenty-two thousand, one hundred twenty-three".