20090671588 has 48 divisors (see below), whose sum is σ = 38954306160. Its totient is φ = 9006280704.

The previous prime is 20090671561. The next prime is 20090671607. The reversal of 20090671588 is 88517609002.

It can be written as a sum of positive squares in 8 ways, for example, as 922822884 + 19167848704 = 30378^2 + 138448^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132128 + ... + 1149736.

It is an arithmetic number, because the mean of its divisors is an integer number (811548045).

Almost surely, 2^20090671588 is an apocalyptic number.

It is an amenable number.

20090671588 is a deficient number, since it is larger than the sum of its proper divisors (18863634572).

20090671588 is a wasteful number, since it uses less digits than its factorization.

20090671588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18256 (or 18254 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 20090671588 in words is "twenty billion, ninety million, six hundred seventy-one thousand, five hundred eighty-eight".