20948463 has 10 divisors (see below), whose sum is σ = 31293504. Its totient is φ = 13965588.

The previous prime is 20948429. The next prime is 20948483. The reversal of 20948463 is 36484902.

It is a happy number.

It is not a de Polignac number, because 20948463 - 2⁶ = 20948399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20948483) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129231 + ... + 129392.

Almost surely, 2^20948463 is an apocalyptic number.

20948463 is a deficient number, since it is larger than the sum of its proper divisors (10345041).

20948463 is an equidigital number, since it uses as much as digits as its factorization.

20948463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258635 (or 258626 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 20948463 is about 4576.9490930094. The cubic root of 20948463 is about 275.6665396229. Note that the first 3 decimals are identical.

The spelling of 20948463 in words is "twenty million, nine hundred forty-eight thousand, four hundred sixty-three".