98383821820 has 48 divisors (see below), whose sum is σ = 214036149600. Its totient is φ = 37942150400.

The previous prime is 98383821799. The next prime is 98383821821. The reversal of 98383821820 is 2812838389.

It is a super-2 number, since 2×98383821820² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98383821821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285591 + ... + 527569.

It is an arithmetic number, because the mean of its divisors is an integer number (4459086450).

Almost surely, 2^98383821820 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 98383821820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107018074800).

98383821820 is an abundant number, since it is smaller than the sum of its proper divisors (115652327780).

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

98383821820 is a wasteful number, since it uses less digits than its factorization.

98383821820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242718 (or 242716 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 98383821820 in words is "ninety-eight billion, three hundred eighty-three million, eight hundred twenty-one thousand, eight hundred twenty".