20216088 has 64 divisors (see below), whose sum is σ = 56584800. Its totient is φ = 6687360.

The previous prime is 20216087. The next prime is 20216089. The reversal of 20216088 is 88061202.

It is an interprime number because it is at equal distance from previous prime (20216087) and next prime (20216089).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20216087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37098 + ... + 37638.

Almost surely, 2^20216088 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 20216088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28292400).

20216088 is an abundant number, since it is smaller than the sum of its proper divisors (36368712).

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

20216088 is a wasteful number, since it uses less digits than its factorization.

20216088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 20216088 is about 4496.2304211417. The cubic root of 20216088 is about 272.4158503459.

It can be divided in two parts, 202 and 16088, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 20216088 in words is "twenty million, two hundred sixteen thousand, eighty-eight".