20193088 has 14 divisors (see below), whose sum is σ = 40070786. Its totient is φ = 10096512.

The previous prime is 20193073. The next prime is 20193097. The reversal of 20193088 is 88039102.

It can be written as a sum of positive squares in only one way, i.e., 16064064 + 4129024 = 4008^2 + 2032^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157695 + ... + 157822.

It is an arithmetic number, because the mean of its divisors is an integer number (2862199).

Almost surely, 2^20193088 is an apocalyptic number.

It is an amenable number.

20193088 is a deficient number, since it is larger than the sum of its proper divisors (19877698).

20193088 is an equidigital number, since it uses as much as digits as its factorization.

20193088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315529 (or 315519 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 20193088 is about 4493.6719951505. The cubic root of 20193088 is about 272.3125012676.

The spelling of 20193088 in words is "twenty million, one hundred ninety-three thousand, eighty-eight".