20428610798 has 8 divisors (see below), whose sum is σ = 32255701320. Its totient is φ = 9676710360.

The previous prime is 20428610777. The next prime is 20428610821. The reversal of 20428610798 is 89701682402.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268797473 + ... + 268797548.

It is an arithmetic number, because the mean of its divisors is an integer number (4031962665).

Almost surely, 2^20428610798 is an apocalyptic number.

20428610798 is a deficient number, since it is larger than the sum of its proper divisors (11827090522).

20428610798 is a wasteful number, since it uses less digits than its factorization.

20428610798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537595042.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 20428610798 in words is "twenty billion, four hundred twenty-eight million, six hundred ten thousand, seven hundred ninety-eight".