20552104 has 8 divisors (see below), whose sum is σ = 38535210. Its totient is φ = 10276048.

The previous prime is 20552083. The next prime is 20552117. The reversal of 20552104 is 40125502.

It can be written as a sum of positive squares in only one way, i.e., 18507204 + 2044900 = 4302^2 + 1430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284499 + ... + 1284514.

Almost surely, 2^20552104 is an apocalyptic number.

It is an amenable number.

20552104 is a deficient number, since it is larger than the sum of its proper divisors (17983106).

20552104 is a wasteful number, since it uses less digits than its factorization.

20552104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569019 (or 2569015 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 20552104 is about 4533.4428418146. The cubic root of 20552104 is about 273.9168589987.

Adding to 20552104 its reverse (40125502), we get a palindrome (60677606).

The spelling of 20552104 in words is "twenty million, five hundred fifty-two thousand, one hundred four".