20553010 has 16 divisors (see below), whose sum is σ = 37186776. Its totient is φ = 8178688.

The previous prime is 20552999. The next prime is 20553023. The reversal of 20553010 is 1035502.

It can be written as a sum of positive squares in 4 ways, for example, as 20457529 + 95481 = 4523^2 + 309^2 .

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, 3247 + ... + 7186.

Almost surely, 2^20553010 is an apocalyptic number.

20553010 is a deficient number, since it is larger than the sum of its proper divisors (16633766).

20553010 is a wasteful number, since it uses less digits than its factorization.

20553010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10637.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 20553010 is about 4533.5427647702. The cubic root of 20553010 is about 273.9208839723.

Adding to 20553010 its reverse (1035502), we get a palindrome (21588512).

The spelling of 20553010 in words is "twenty million, five hundred fifty-three thousand, ten".