20617962 has 8 divisors (see below), whose sum is σ = 41235936. Its totient is φ = 6872652.

The previous prime is 20617943. The next prime is 20617981. The reversal of 20617962 is 26971602.

It is an interprime number because it is at equal distance from previous prime (20617943) and next prime (20617981).

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

20617962 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718158 + ... + 1718169.

It is an arithmetic number, because the mean of its divisors is an integer number (5154492).

Almost surely, 2^20617962 is an apocalyptic number.

20617962 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.

20617962 is a wasteful number, since it uses less digits than its factorization.

20617962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436332.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 20617962 is about 4540.7006067346. The cubic root of 20617962 is about 274.2091304821.

The spelling of 20617962 in words is "twenty million, six hundred seventeen thousand, nine hundred sixty-two".