20980127 has 8 divisors (see below), whose sum is σ = 24306336. Its totient is φ = 17736192.

The previous prime is 20980121. The next prime is 20980139. The reversal of 20980127 is 72108902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20980127 - 2⁴ = 20980111 is a prime.

It is a super-2 number, since 2×20980127² = 880331457872258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20980127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20980121) 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, 20018 + ... + 21039.

It is an arithmetic number, because the mean of its divisors is an integer number (3038292).

Almost surely, 2^20980127 is an apocalyptic number.

20980127 is a deficient number, since it is larger than the sum of its proper divisors (3326209).

20980127 is an equidigital number, since it uses as much as digits as its factorization.

20980127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41137.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 20980127 is about 4580.4068596578. The cubic root of 20980127 is about 275.8053614405.

The spelling of 20980127 in words is "twenty million, nine hundred eighty thousand, one hundred twenty-seven".