20883088 has 40 divisors (see below), whose sum is σ = 42425856. Its totient is φ = 9945600.

The previous prime is 20883073. The next prime is 20883143. The reversal of 20883088 is 88038802.

It is a super-2 number, since 2×20883088² = 872206728831488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34920 + ... + 35512.

Almost surely, 2^20883088 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 20883088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21212928).

20883088 is an abundant number, since it is smaller than the sum of its proper divisors (21542768).

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

20883088 is a wasteful number, since it uses less digits than its factorization.

20883088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 20883088 is about 4569.8017462468. The cubic root of 20883088 is about 275.3794783128.

The spelling of 20883088 in words is "twenty million, eight hundred eighty-three thousand, eighty-eight".