20001088 has 14 divisors (see below), whose sum is σ = 39689786. Its totient is φ = 10000512.

The previous prime is 20001083. The next prime is 20001139. The reversal of 20001088 is 88010002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19998784 + 2304 = 4472^2 + 48^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156195 + ... + 156322.

Almost surely, 2^20001088 is an apocalyptic number.

It is an amenable number.

20001088 is a deficient number, since it is larger than the sum of its proper divisors (19688698).

20001088 is an equidigital number, since it uses as much as digits as its factorization.

20001088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312529 (or 312519 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 20001088 is about 4472.2575954433. The cubic root of 20001088 is about 271.4466837142.

The spelling of 20001088 in words is "twenty million, one thousand, eighty-eight".