20205010 has 32 divisors (see below), whose sum is σ = 44012160. Its totient is φ = 6519552.

The previous prime is 20205001. The next prime is 20205023. The reversal of 20205010 is 1050202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7300 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (1375380).

Almost surely, 2^20205010 is an apocalyptic number.

20205010 is an abundant number, since it is smaller than the sum of its proper divisors (23807150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20205010 is a wasteful number, since it uses less digits than its factorization.

20205010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17010.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 20205010 is about 4494.9983314791. The cubic root of 20205010 is about 272.3660818283.

Adding to 20205010 its reverse (1050202), we get a palindrome (21255212).

The spelling of 20205010 in words is "twenty million, two hundred five thousand, ten".