20200010 has 8 divisors (see below), whose sum is σ = 36360036. Its totient is φ = 8080000.

The previous prime is 20199973. The next prime is 20200013. The reversal of 20200010 is 1000202.

It can be written as a sum of positive squares in 2 ways, for example, as 19035769 + 1164241 = 4363^2 + 1079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20199967 and 20200003.

It is not an unprimeable number, because it can be changed into a prime (20200013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009991 + ... + 1010010.

Almost surely, 2^20200010 is an apocalyptic number.

20200010 is a deficient number, since it is larger than the sum of its proper divisors (16160026).

20200010 is a wasteful number, since it uses less digits than its factorization.

20200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020008.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 20200010 is about 4494.4421233341. The cubic root of 20200010 is about 272.3436130981.

Adding to 20200010 its reverse (1000202), we get a palindrome (21200212).

The spelling of 20200010 in words is "twenty million, two hundred thousand, ten".