20221110013 has 8 divisors (see below), whose sum is σ = 21779213400. Its totient is φ = 18663382848.

The previous prime is 20221109989. The next prime is 20221110023. The reversal of 20221110013 is 31001112202.

It can be written as a sum of positive squares in 4 ways, for example, as 903723844 + 19317386169 = 30062^2 + 138987^2 .

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 20221110013 - 2¹⁷ = 20220978941 is a prime.

It is a super-4 number, since 4×20221110013⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221109975 and 20221110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221110023) 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, 22983 + ... + 202411.

It is an arithmetic number, because the mean of its divisors is an integer number (2722401675).

Almost surely, 2^20221110013 is an apocalyptic number.

It is an amenable number.

20221110013 is a deficient number, since it is larger than the sum of its proper divisors (1558103387).

20221110013 is a wasteful number, since it uses less digits than its factorization.

20221110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188111.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20221110013 its reverse (31001112202), we get a palindrome (51222222215).

The spelling of 20221110013 in words is "twenty billion, two hundred twenty-one million, one hundred ten thousand, thirteen".