20240224 has 24 divisors (see below), whose sum is σ = 40822488. Its totient is φ = 9872640.

The previous prime is 20240219. The next prime is 20240257. The reversal of 20240224 is 42204202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20240198 and 20240207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6402 + ... + 9025.

It is an arithmetic number, because the mean of its divisors is an integer number (1700937).

Almost surely, 2^20240224 is an apocalyptic number.

It is an amenable number.

20240224 is an abundant number, since it is smaller than the sum of its proper divisors (20582264).

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

20240224 is a wasteful number, since it uses less digits than its factorization.

20240224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15478 (or 15470 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20240224 is about 4498.9136466485. The cubic root of 20240224 is about 272.5242197141.

Adding to 20240224 its reverse (42204202), we get a palindrome (62444426).

The spelling of 20240224 in words is "twenty million, two hundred forty thousand, two hundred twenty-four".