20555848 has 8 divisors (see below), whose sum is σ = 38542230. Its totient is φ = 10277920.

The previous prime is 20555827. The next prime is 20555897. The reversal of 20555848 is 84855502.

It can be written as a sum of positive squares in only one way, i.e., 16467364 + 4088484 = 4058^2 + 2022^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284733 + ... + 1284748.

Almost surely, 2^20555848 is an apocalyptic number.

It is an amenable number.

20555848 is a deficient number, since it is larger than the sum of its proper divisors (17986382).

20555848 is a wasteful number, since it uses less digits than its factorization.

20555848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569487 (or 2569483 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 20555848 is about 4533.8557542119. The cubic root of 20555848 is about 273.9334912366.

The spelling of 20555848 in words is "twenty million, five hundred fifty-five thousand, eight hundred forty-eight".