20240452 has 6 divisors (see below), whose sum is σ = 35420798. Its totient is φ = 10120224.

The previous prime is 20240449. The next prime is 20240459. The reversal of 20240452 is 25404202.

It can be written as a sum of positive squares in only one way, i.e., 11383876 + 8856576 = 3374^2 + 2976^2 .

It is a super-3 number, since 3×20240452³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20240459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530053 + ... + 2530060.

Almost surely, 2^20240452 is an apocalyptic number.

It is an amenable number.

20240452 is a deficient number, since it is larger than the sum of its proper divisors (15180346).

20240452 is a wasteful number, since it uses less digits than its factorization.

20240452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060117 (or 5060115 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 20240452 is about 4498.9389860277. The cubic root of 20240452 is about 272.5252430113.

Adding to 20240452 its reverse (25404202), we get a palindrome (45644654).

The spelling of 20240452 in words is "twenty million, two hundred forty thousand, four hundred fifty-two".