20211240718848 has 160 divisors (see below), whose sum is σ = 54690416732160. Its totient is φ = 6631691489280.

The previous prime is 20211240718811. The next prime is 20211240718853. The reversal of 20211240718848 is 84881704211202.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 20211240718797 and 20211240718806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39913261 + ... + 40416467.

It is an arithmetic number, because the mean of its divisors is an integer number (341815104576).

Almost surely, 2^{20211240718848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20211240718848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27345208366080).

20211240718848 is an abundant number, since it is smaller than the sum of its proper divisors (34479176013312).

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

20211240718848 is an equidigital number, since it uses as much as digits as its factorization.

20211240718848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503638 (or 503622 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 48.

The spelling of 20211240718848 in words is "twenty trillion, two hundred eleven billion, two hundred forty million, seven hundred eighteen thousand, eight hundred forty-eight".