20487035 has 8 divisors (see below), whose sum is σ = 25878480. Its totient is φ = 15526944.

The previous prime is 20487029. The next prime is 20487067. The reversal of 20487035 is 53078402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20487035 - 2¹⁴ = 20470651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20486989 and 20487007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107732 + ... + 107921.

It is an arithmetic number, because the mean of its divisors is an integer number (3234810).

Almost surely, 2^20487035 is an apocalyptic number.

20487035 is a deficient number, since it is larger than the sum of its proper divisors (5391445).

20487035 is a wasteful number, since it uses less digits than its factorization.

20487035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215677.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 20487035 is about 4526.2605978887. The cubic root of 20487035 is about 273.6274751756.

The spelling of 20487035 in words is "twenty million, four hundred eighty-seven thousand, thirty-five".