20725674 has 8 divisors (see below), whose sum is σ = 41451360. Its totient is φ = 6908556.

The previous prime is 20725673. The next prime is 20725693. The reversal of 20725674 is 47652702.

It is a sphenic number, since it is the product of 3 distinct primes.

20725674 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20725673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727134 + ... + 1727145.

It is an arithmetic number, because the mean of its divisors is an integer number (5181420).

Almost surely, 2^20725674 is an apocalyptic number.

20725674 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.

20725674 is a wasteful number, since it uses less digits than its factorization.

20725674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454284.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 20725674 is about 4552.5458811527. The cubic root of 20725674 is about 274.6858075574.

The spelling of 20725674 in words is "twenty million, seven hundred twenty-five thousand, six hundred seventy-four".