20953348 has 12 divisors (see below), whose sum is σ = 39489100. Its totient is φ = 9670752.

The previous prime is 20953321. The next prime is 20953351. The reversal of 20953348 is 84335902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 11168964 = 3128^2 + 3342^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 201423 + ... + 201526.

Almost surely, 2^20953348 is an apocalyptic number.

It is an amenable number.

20953348 is a deficient number, since it is larger than the sum of its proper divisors (18535752).

20953348 is a wasteful number, since it uses less digits than its factorization.

20953348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402966 (or 402964 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 20953348 is about 4577.4827143311. The cubic root of 20953348 is about 275.6879656401.

The spelling of 20953348 in words is "twenty million, nine hundred fifty-three thousand, three hundred forty-eight".