20225672269 has 4 divisors (see below), whose sum is σ = 22064369760. Its totient is φ = 18386974780.

The previous prime is 20225672263. The next prime is 20225672297. The reversal of 20225672269 is 96227652202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20225672269 - 2¹⁹ = 20225147981 is a prime.

It is a super-2 number, since 2×20225672269² (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 (20225672263) 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, 919348729 + ... + 919348750.

It is an arithmetic number, because the mean of its divisors is an integer number (5516092440).

Almost surely, 2^20225672269 is an apocalyptic number.

It is an amenable number.

20225672269 is a deficient number, since it is larger than the sum of its proper divisors (1838697491).

20225672269 is a wasteful number, since it uses less digits than its factorization.

20225672269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838697490.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 20225672269 in words is "twenty billion, two hundred twenty-five million, six hundred seventy-two thousand, two hundred sixty-nine".