20553452 has 6 divisors (see below), whose sum is σ = 35968548. Its totient is φ = 10276724.

The previous prime is 20553451. The next prime is 20553461. The reversal of 20553452 is 25435502.

It is not an unprimeable number, because it can be changed into a prime (20553451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569178 + ... + 2569185.

It is an arithmetic number, because the mean of its divisors is an integer number (5994758).

Almost surely, 2^20553452 is an apocalyptic number.

It is an amenable number.

20553452 is a deficient number, since it is larger than the sum of its proper divisors (15415096).

20553452 is a wasteful number, since it uses less digits than its factorization.

20553452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138367 (or 5138365 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 20553452 is about 4533.5915122560. The cubic root of 20553452 is about 273.9228475478.

Adding to 20553452 its reverse (25435502), we get a palindrome (45988954).

The spelling of 20553452 in words is "twenty million, five hundred fifty-three thousand, four hundred fifty-two".