20934948 has 12 divisors (see below), whose sum is σ = 48848240. Its totient is φ = 6978312.

The previous prime is 20934943. The next prime is 20934959. The reversal of 20934948 is 84943902.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20934943) 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 3 ways as a sum of consecutive naturals, for example, 872278 + ... + 872301.

Almost surely, 2^20934948 is an apocalyptic number.

It is an amenable number.

20934948 is an abundant number, since it is smaller than the sum of its proper divisors (27913292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20934948 is a wasteful number, since it uses less digits than its factorization.

20934948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744586 (or 1744584 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 20934948 is about 4575.4724346236. The cubic root of 20934948 is about 275.6072443455.

The spelling of 20934948 in words is "twenty million, nine hundred thirty-four thousand, nine hundred forty-eight".