20022451223 has 8 divisors (see below), whose sum is σ = 20237475888. Its totient is φ = 19808425024.

The previous prime is 20022451219. The next prime is 20022451259. The reversal of 20022451223 is 32215422002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022451223 - 2² = 20022451219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022453223) 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, 209261 + ... + 289542.

It is an arithmetic number, because the mean of its divisors is an integer number (2529684486).

Almost surely, 2^20022451223 is an apocalyptic number.

20022451223 is a deficient number, since it is larger than the sum of its proper divisors (215024665).

20022451223 is a wasteful number, since it uses less digits than its factorization.

20022451223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499233.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20022451223 its reverse (32215422002), we get a palindrome (52237873225).

The spelling of 20022451223 in words is "twenty billion, twenty-two million, four hundred fifty-one thousand, two hundred twenty-three".