20962443 has 8 divisors (see below), whose sum is σ = 27995968. Its totient is φ = 13951944.

The previous prime is 20962433. The next prime is 20962481. The reversal of 20962443 is 34426902.

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

It is not a de Polignac number, because 20962443 - 2⁴ = 20962427 is a prime.

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 20962443.

It is not an unprimeable number, because it can be changed into a prime (20962433) 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, 3505 + ... + 7362.

It is an arithmetic number, because the mean of its divisors is an integer number (3499496).

Almost surely, 2^20962443 is an apocalyptic number.

20962443 is a deficient number, since it is larger than the sum of its proper divisors (7033525).

20962443 is a wasteful number, since it uses less digits than its factorization.

20962443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20962443 is about 4578.4760565061. The cubic root of 20962443 is about 275.7278481981.

The spelling of 20962443 in words is "twenty million, nine hundred sixty-two thousand, four hundred forty-three".