20258610386 has 8 divisors (see below), whose sum is σ = 34729046400. Its totient is φ = 8682261588.

The previous prime is 20258610377. The next prime is 20258610443. The reversal of 20258610386 is 68301685202.

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

It is a super-2 number, since 2×20258610386² (a number of 21 digits) contains 22 as substring.

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, 723521786 + ... + 723521813.

It is an arithmetic number, because the mean of its divisors is an integer number (4341130800).

Almost surely, 2^20258610386 is an apocalyptic number.

20258610386 is a deficient number, since it is larger than the sum of its proper divisors (14470436014).

20258610386 is a wasteful number, since it uses less digits than its factorization.

20258610386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447043608.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 20258610386 in words is "twenty billion, two hundred fifty-eight million, six hundred ten thousand, three hundred eighty-six".