20104717420 has 24 divisors (see below), whose sum is σ = 42222650400. Its totient is φ = 8041364352.

The previous prime is 20104717363. The next prime is 20104717421. The reversal of 20104717420 is 2471740102.

It is not an unprimeable number, because it can be changed into a prime (20104717421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475921 + ... + 516439.

It is an arithmetic number, because the mean of its divisors is an integer number (1759277100).

Almost surely, 2^20104717420 is an apocalyptic number.

20104717420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20104717420 is an abundant number, since it is smaller than the sum of its proper divisors (22117932980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20104717420 is a wasteful number, since it uses less digits than its factorization.

20104717420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65337 (or 65335 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The spelling of 20104717420 in words is "twenty billion, one hundred four million, seven hundred seventeen thousand, four hundred twenty".