20280114 has 24 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 6746328.

The previous prime is 20280109. The next prime is 20280119. The reversal of 20280114 is 41108202.

It is an interprime number because it is at equal distance from previous prime (20280109) and next prime (20280119).

It is a super-2 number, since 2×20280114² = 822566047705992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20280119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12159 + ... + 13725.

It is an arithmetic number, because the mean of its divisors is an integer number (1834560).

Almost surely, 2^20280114 is an apocalyptic number.

20280114 is an abundant number, since it is smaller than the sum of its proper divisors (23749326).

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

20280114 is a wasteful number, since it uses less digits than its factorization.

20280114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 20280114 is about 4503.3447569557. The cubic root of 20280114 is about 272.7031350153.

Adding to 20280114 its reverse (41108202), we get a palindrome (61388316).

The spelling of 20280114 in words is "twenty million, two hundred eighty thousand, one hundred fourteen".