20961127 has 8 divisors (see below), whose sum is σ = 23424912. Its totient is φ = 18590400.

The previous prime is 20961121. The next prime is 20961131. The reversal of 20961127 is 72116902.

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 20961127 - 2⁷ = 20960999 is a prime.

It is a super-2 number, since 2×20961127² = 878737690220258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20961095 and 20961104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20961121) 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, 22788 + ... + 23689.

It is an arithmetic number, because the mean of its divisors is an integer number (2928114).

Almost surely, 2^20961127 is an apocalyptic number.

20961127 is a deficient number, since it is larger than the sum of its proper divisors (2463785).

20961127 is a wasteful number, since it uses less digits than its factorization.

20961127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46529.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 20961127 is about 4578.3323383083. The cubic root of 20961127 is about 275.7220781098.

It can be divided in two parts, 2096 and 1127, that added together give a palindrome (3223).

The spelling of 20961127 in words is "twenty million, nine hundred sixty-one thousand, one hundred twenty-seven".