20552026 has 16 divisors (see below), whose sum is σ = 33759648. Its totient is φ = 9306000.

The previous prime is 20552011. The next prime is 20552071. The reversal of 20552026 is 62025502.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20551988 and 20552006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4576 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (2109978).

Almost surely, 2^20552026 is an apocalyptic number.

20552026 is a deficient number, since it is larger than the sum of its proper divisors (13207622).

20552026 is a wasteful number, since it uses less digits than its factorization.

20552026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 20552026 is about 4533.4342390731. The cubic root of 20552026 is about 273.9165124723.

Adding to 20552026 its reverse (62025502), we get a palindrome (82577528).

The spelling of 20552026 in words is "twenty million, five hundred fifty-two thousand, twenty-six".