20725962 has 8 divisors (see below), whose sum is σ = 41451936. Its totient is φ = 6908652.

The previous prime is 20725961. The next prime is 20725993. The reversal of 20725962 is 26952702.

It is a happy number.

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

20725962 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20725961) 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, 1727158 + ... + 1727169.

It is an arithmetic number, because the mean of its divisors is an integer number (5181492).

Almost surely, 2^20725962 is an apocalyptic number.

20725962 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.

20725962 is a wasteful number, since it uses less digits than its factorization.

20725962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454332.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20725962 is about 4552.5775116960. The cubic root of 20725962 is about 274.6870798786.

The spelling of 20725962 in words is "twenty million, seven hundred twenty-five thousand, nine hundred sixty-two".