20247624720020 has 24 divisors (see below), whose sum is σ = 42549892514304. Its totient is φ = 8093358344736.

The previous prime is 20247624720019. The next prime is 20247624720067. The reversal of 20247624720020 is 2002742674202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355692284 + ... + 355749203.

It is an arithmetic number, because the mean of its divisors is an integer number (1772912188096).

Almost surely, 2^{20247624720020} is an apocalyptic number.

20247624720020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20247624720020 is an abundant number, since it is smaller than the sum of its proper divisors (22302267794284).

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

20247624720020 is a wasteful number, since it uses less digits than its factorization.

20247624720020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711442919 (or 711442917 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 20247624720020 in words is "twenty trillion, two hundred forty-seven billion, six hundred twenty-four million, seven hundred twenty thousand, twenty".