20954361 has 8 divisors (see below), whose sum is σ = 27984064. Its totient is φ = 13947120.

The previous prime is 20954347. The next prime is 20954371. The reversal of 20954361 is 16345902.

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

It is a de Polignac number, because none of the positive numbers 2^k-20954361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20954341) 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, 3301 + ... + 7266.

It is an arithmetic number, because the mean of its divisors is an integer number (3498008).

Almost surely, 2^20954361 is an apocalyptic number.

It is an amenable number.

20954361 is a deficient number, since it is larger than the sum of its proper divisors (7029703).

20954361 is a wasteful number, since it uses less digits than its factorization.

20954361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 20954361 is about 4577.5933633297. The cubic root of 20954361 is about 275.6924083256.

The spelling of 20954361 in words is "twenty million, nine hundred fifty-four thousand, three hundred sixty-one".