98220420 has 72 divisors (see below), whose sum is σ = 305224920. Its totient is φ = 25551360.

The previous prime is 98220389. The next prime is 98220439. The reversal of 98220420 is 2402289.

It can be written as a sum of positive squares in 4 ways, for example, as 9144576 + 89075844 = 3024^2 + 9438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726 + ... + 14034.

It is an arithmetic number, because the mean of its divisors is an integer number (4239235).

Almost surely, 2^98220420 is an apocalyptic number.

98220420 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 98220420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152612460).

98220420 is an abundant number, since it is smaller than the sum of its proper divisors (207004500).

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

98220420 is a wasteful number, since it uses less digits than its factorization.

98220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13365 (or 13360 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 98220420 is about 9910.6215748559. The cubic root of 98220420 is about 461.3890276481.

The spelling of 98220420 in words is "ninety-eight million, two hundred twenty thousand, four hundred twenty".