20741180 has 12 divisors (see below), whose sum is σ = 43556520. Its totient is φ = 8296464.

The previous prime is 20741167. The next prime is 20741197. The reversal of 20741180 is 8114702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518510 + ... + 518549.

It is an arithmetic number, because the mean of its divisors is an integer number (3629710).

Almost surely, 2^20741180 is an apocalyptic number.

20741180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20741180 is an abundant number, since it is smaller than the sum of its proper divisors (22815340).

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

20741180 is a wasteful number, since it uses less digits than its factorization.

20741180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037068 (or 1037066 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 20741180 is about 4554.2485658998. The cubic root of 20741180 is about 274.7542929277.

Adding to 20741180 its reverse (8114702), we get a palindrome (28855882).

The spelling of 20741180 in words is "twenty million, seven hundred forty-one thousand, one hundred eighty".