20353088 has 56 divisors (see below), whose sum is σ = 46597824. Its totient is φ = 8640000.

The previous prime is 20353079. The next prime is 20353117. The reversal of 20353088 is 88035302.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×20353088² = 828496382271488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20353088.

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, 80963 + ... + 81213.

It is an arithmetic number, because the mean of its divisors is an integer number (832104).

Almost surely, 2^20353088 is an apocalyptic number.

20353088 is a gapful number since it is divisible by the number (28) 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 20353088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23298912).

20353088 is an abundant number, since it is smaller than the sum of its proper divisors (26244736).

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

20353088 is a wasteful number, since it uses less digits than its factorization.

20353088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 20353088 is about 4511.4396815207. The cubic root of 20353088 is about 273.0298330004.

The spelling of 20353088 in words is "twenty million, three hundred fifty-three thousand, eighty-eight".