20089225869 has 8 divisors (see below), whose sum is σ = 27950227392. Its totient is φ = 12810520800.

The previous prime is 20089225861. The next prime is 20089225903. The reversal of 20089225869 is 96852298002.

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

It is not a de Polignac number, because 20089225869 - 2³ = 20089225861 is a prime.

It is a super-2 number, since 2×20089225869² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089225861) 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, 145574032 + ... + 145574169.

It is an arithmetic number, because the mean of its divisors is an integer number (3493778424).

Almost surely, 2^20089225869 is an apocalyptic number.

It is an amenable number.

20089225869 is a deficient number, since it is larger than the sum of its proper divisors (7861001523).

20089225869 is a wasteful number, since it uses less digits than its factorization.

20089225869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291148227.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 20089225869 in words is "twenty billion, eighty-nine million, two hundred twenty-five thousand, eight hundred sixty-nine".