20741252 has 24 divisors (see below), whose sum is σ = 41793024. Its totient is φ = 8822592.

The previous prime is 20741243. The next prime is 20741269. The reversal of 20741252 is 25214702.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (1741376).

Almost surely, 2^20741252 is an apocalyptic number.

It is an amenable number.

20741252 is an abundant number, since it is smaller than the sum of its proper divisors (21051772).

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

20741252 is a wasteful number, since it uses less digits than its factorization.

20741252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5553 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 20741252 is about 4554.2564705998. The cubic root of 20741252 is about 274.7546108505.

Adding to 20741252 its reverse (25214702), we get a palindrome (45955954).

The spelling of 20741252 in words is "twenty million, seven hundred forty-one thousand, two hundred fifty-two".