20763461 has 8 divisors (see below), whose sum is σ = 21091200. Its totient is φ = 20438352.

The previous prime is 20763437. The next prime is 20763487. The reversal of 20763461 is 16436702.

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 20763461 - 2¹⁰ = 20762437 is a prime.

It is a super-2 number, since 2×20763461² = 862242625397042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20763661) 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 7 ways as a sum of consecutive naturals, for example, 19991 + ... + 21003.

It is an arithmetic number, because the mean of its divisors is an integer number (2636400).

Almost surely, 2^20763461 is an apocalyptic number.

It is an amenable number.

20763461 is a deficient number, since it is larger than the sum of its proper divisors (327739).

20763461 is a wasteful number, since it uses less digits than its factorization.

20763461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20763461 is about 4556.6940867256. The cubic root of 20763461 is about 274.8526417136.

The spelling of 20763461 in words is "twenty million, seven hundred sixty-three thousand, four hundred sixty-one".