20022869 has 8 divisors (see below), whose sum is σ = 20720640. Its totient is φ = 19328400.

The previous prime is 20022859. The next prime is 20022887. The reversal of 20022869 is 96822002.

It is a happy number.

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 20022869 - 2⁴ = 20022853 is a prime.

It is a super-2 number, since 2×20022869² = 801830565982322, which 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 (20022839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21524 + ... + 22434.

It is an arithmetic number, because the mean of its divisors is an integer number (2590080).

Almost surely, 2^20022869 is an apocalyptic number.

It is an amenable number.

20022869 is a deficient number, since it is larger than the sum of its proper divisors (697771).

20022869 is an equidigital number, since it uses as much as digits as its factorization.

20022869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20022869 is about 4474.6920564437. The cubic root of 20022869 is about 271.5451822782.

It can be divided in two parts, 200 and 22869, that multiplied together give a triangular number (4573800 = T₃₀₂₄).

The spelling of 20022869 in words is "twenty million, twenty-two thousand, eight hundred sixty-nine".