20286280682 has 8 divisors (see below), whose sum is σ = 30771324900. Its totient is φ = 10029172384.

The previous prime is 20286280657. The next prime is 20286280697. The reversal of 20286280682 is 28608268202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20144408761 + 141871921 = 141931^2 + 11911^2 .

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

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, 56983757 + ... + 56984112.

Almost surely, 2^20286280682 is an apocalyptic number.

20286280682 is a deficient number, since it is larger than the sum of its proper divisors (10485044218).

20286280682 is a wasteful number, since it uses less digits than its factorization.

20286280682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113967960.

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 20286280682 in words is "twenty billion, two hundred eighty-six million, two hundred eighty thousand, six hundred eighty-two".