20361160 has 64 divisors (see below), whose sum is σ = 49017600. Its totient is φ = 7589376.

The previous prime is 20361157. The next prime is 20361163. The reversal of 20361160 is 6116302.

It is an interprime number because it is at equal distance from previous prime (20361157) and next prime (20361163).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (20361163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55297 + ... + 55663.

It is an arithmetic number, because the mean of its divisors is an integer number (765900).

Almost surely, 2^20361160 is an apocalyptic number.

20361160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20361160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24508800).

20361160 is an abundant number, since it is smaller than the sum of its proper divisors (28656440).

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

20361160 is a wasteful number, since it uses less digits than its factorization.

20361160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20361160 is about 4512.3342074806. The cubic root of 20361160 is about 273.0659226185.

Adding to 20361160 its reverse (6116302), we get a palindrome (26477462).

The spelling of 20361160 in words is "twenty million, three hundred sixty-one thousand, one hundred sixty".