20674948 has 12 divisors (see below), whose sum is σ = 41349952. Its totient is φ = 8860680.

The previous prime is 20674943. The next prime is 20674949. The reversal of 20674948 is 84947602.

20674948 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20674948.

It is not an unprimeable number, because it can be changed into a prime (20674943) 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, 369168 + ... + 369223.

Almost surely, 2^20674948 is an apocalyptic number.

20674948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20674948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20674948 is a wasteful number, since it uses less digits than its factorization.

20674948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738402 (or 738400 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 20674948 is about 4546.9712996675. The cubic root of 20674948 is about 274.4615270294.

The spelling of 20674948 in words is "twenty million, six hundred seventy-four thousand, nine hundred forty-eight".