20560190 has 16 divisors (see below), whose sum is σ = 42295392. Its totient is φ = 7049184.

The previous prime is 20560187. The next prime is 20560193. The reversal of 20560190 is 9106502.

It is an interprime number because it is at equal distance from previous prime (20560187) and next prime (20560193).

It is a super-2 number, since 2×20560190² = 845442825672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20560193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146789 + ... + 146928.

It is an arithmetic number, because the mean of its divisors is an integer number (2643462).

Almost surely, 2^20560190 is an apocalyptic number.

20560190 is an abundant number, since it is smaller than the sum of its proper divisors (21735202).

20560190 is a wasteful number, since it uses less digits than its factorization.

20560190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293731.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 20560190 is about 4534.3345708053. The cubic root of 20560190 is about 273.9527774836.

Adding to 20560190 its reverse (9106502), we get a palindrome (29666692).

The spelling of 20560190 in words is "twenty million, five hundred sixty thousand, one hundred ninety".