20469224 has 32 divisors (see below), whose sum is σ = 41342400. Its totient is φ = 9465600.

The previous prime is 20469217. The next prime is 20469227. The reversal of 20469224 is 42296402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20469227) 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, 6749 + ... + 9299.

It is an arithmetic number, because the mean of its divisors is an integer number (1291950).

Almost surely, 2^20469224 is an apocalyptic number.

It is an amenable number.

20469224 is an abundant number, since it is smaller than the sum of its proper divisors (20873176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20469224 is a wasteful number, since it uses less digits than its factorization.

20469224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20469224 is about 4524.2926518960. The cubic root of 20469224 is about 273.5481568495.

The spelling of 20469224 in words is "twenty million, four hundred sixty-nine thousand, two hundred twenty-four".