20086498774 has 8 divisors (see below), whose sum is σ = 31715524440. Its totient is φ = 9514657296.

The previous prime is 20086498771. The next prime is 20086498777. The reversal of 20086498774 is 47789468002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20086498771) and next prime (20086498777).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20086498771) 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, 264295999 + ... + 264296074.

It is an arithmetic number, because the mean of its divisors is an integer number (3964440555).

Almost surely, 2^20086498774 is an apocalyptic number.

20086498774 is a deficient number, since it is larger than the sum of its proper divisors (11629025666).

20086498774 is a wasteful number, since it uses less digits than its factorization.

20086498774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528592094.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 20086498774 in words is "twenty billion, eighty-six million, four hundred ninety-eight thousand, seven hundred seventy-four".