20226402869 has 4 divisors (see below), whose sum is σ = 20773062444. Its totient is φ = 19679743296.

The previous prime is 20226402853. The next prime is 20226402871. The reversal of 20226402869 is 96820462202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16657774225 + 3568628644 = 129065^2 + 59738^2 .

It is a cyclic number.

It is not a de Polignac number, because 20226402869 - 2⁴ = 20226402853 is a prime.

It is a super-2 number, since 2×20226402869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226402839) 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, 273329732 + ... + 273329805.

It is an arithmetic number, because the mean of its divisors is an integer number (5193265611).

Almost surely, 2^20226402869 is an apocalyptic number.

It is an amenable number.

20226402869 is a deficient number, since it is larger than the sum of its proper divisors (546659575).

20226402869 is an equidigital number, since it uses as much as digits as its factorization.

20226402869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546659574.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 20226402869 in words is "twenty billion, two hundred twenty-six million, four hundred two thousand, eight hundred sixty-nine".