20247674056420 has 24 divisors (see below), whose sum is σ = 42524165880000. Its totient is φ = 8098298125152.

The previous prime is 20247674056417. The next prime is 20247674056429. The reversal of 20247674056420 is 2465047674202.

It is not an unprimeable number, because it can be changed into a prime (20247674056429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48003360 + ... + 48423319.

It is an arithmetic number, because the mean of its divisors is an integer number (1771840245000).

Almost surely, 2^{20247674056420} is an apocalyptic number.

20247674056420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20247674056420 is an abundant number, since it is smaller than the sum of its proper divisors (22276491823580).

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

20247674056420 is a wasteful number, since it uses less digits than its factorization.

20247674056420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96437187 (or 96437185 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 49.

The spelling of 20247674056420 in words is "twenty trillion, two hundred forty-seven billion, six hundred seventy-four million, fifty-six thousand, four hundred twenty".