20288132080 has 40 divisors (see below), whose sum is σ = 47433459600. Its totient is φ = 8069910528.

The previous prime is 20288132057. The next prime is 20288132083. The reversal of 20288132080 is 8023188202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20288132083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694065 + ... + 722704.

It is an arithmetic number, because the mean of its divisors is an integer number (1185836490).

Almost surely, 2^20288132080 is an apocalyptic number.

20288132080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20288132080 is an abundant number, since it is smaller than the sum of its proper divisors (27145327520).

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

20288132080 is a wasteful number, since it uses less digits than its factorization.

20288132080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416961 (or 1416955 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 20288132080 in words is "twenty billion, two hundred eighty-eight million, one hundred thirty-two thousand, eighty".