20022963 has 8 divisors (see below), whose sum is σ = 27618000. Its totient is φ = 12888288.

The previous prime is 20022943. The next prime is 20022971. The reversal of 20022963 is 36922002.

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

It is not a de Polignac number, because 20022963 - 2⁸ = 20022707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022913) 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, 114988 + ... + 115161.

It is an arithmetic number, because the mean of its divisors is an integer number (3452250).

Almost surely, 2^20022963 is an apocalyptic number.

20022963 is a deficient number, since it is larger than the sum of its proper divisors (7595037).

20022963 is a wasteful number, since it uses less digits than its factorization.

20022963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230181.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20022963 is about 4474.7025599474. The cubic root of 20022963 is about 271.5456072124.

Adding to 20022963 its reverse (36922002), we get a palindrome (56944965).

The spelling of 20022963 in words is "twenty million, twenty-two thousand, nine hundred sixty-three".