99548820 has 216 divisors, whose sum is σ = 361251072. Its totient is φ = 21726720.

The previous prime is 99548803. The next prime is 99548831. The reversal of 99548820 is 2884599.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2118037 + ... + 2118083.

Almost surely, 2^99548820 is an apocalyptic number.

99548820 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99548820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180625536).

99548820 is an abundant number, since it is smaller than the sum of its proper divisors (261702252).

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

99548820 is a wasteful number, since it uses less digits than its factorization.

99548820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 99548820 is about 9977.4154970112. The cubic root of 99548820 is about 463.4597668635.

The spelling of 99548820 in words is "ninety-nine million, five hundred forty-eight thousand, eight hundred twenty".