20948354 has 32 divisors (see below), whose sum is σ = 38071296. Its totient is φ = 8450640.

The previous prime is 20948339. The next prime is 20948359. The reversal of 20948354 is 45384902.

It is not an unprimeable number, because it can be changed into a prime (20948359) 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 15 ways as a sum of consecutive naturals, for example, 21089 + ... + 22059.

It is an arithmetic number, because the mean of its divisors is an integer number (1189728).

Almost surely, 2^20948354 is an apocalyptic number.

20948354 is a deficient number, since it is larger than the sum of its proper divisors (17122942).

20948354 is a wasteful number, since it uses less digits than its factorization.

20948354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 20948354 is about 4576.9371854986. The cubic root of 20948354 is about 275.6660615018. Note that the first 3 decimals are identical.

The spelling of 20948354 in words is "twenty million, nine hundred forty-eight thousand, three hundred fifty-four".