20746124 has 24 divisors (see below), whose sum is σ = 42459648. Its totient is φ = 8683920.

The previous prime is 20746109. The next prime is 20746127. The reversal of 20746124 is 42164702.

It is a super-2 number, since 2×20746124² = 860803322046752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20746093 and 20746102.

It is not an unprimeable number, because it can be changed into a prime (20746127) 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 7 ways as a sum of consecutive naturals, for example, 7412 + ... + 9819.

It is an arithmetic number, because the mean of its divisors is an integer number (1769152).

Almost surely, 2^20746124 is an apocalyptic number.

It is an amenable number.

20746124 is an abundant number, since it is smaller than the sum of its proper divisors (21713524).

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

20746124 is a wasteful number, since it uses less digits than its factorization.

20746124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17285 (or 17283 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 20746124 is about 4554.7913234307. The cubic root of 20746124 is about 274.7761219221.

The spelling of 20746124 in words is "twenty million, seven hundred forty-six thousand, one hundred twenty-four".