11640703020 has 48 divisors (see below), whose sum is σ = 34309443840. Its totient is φ = 2940808896.

The previous prime is 11640703013. The next prime is 11640703021. The reversal of 11640703020 is 2030704611.

It is not an unprimeable number, because it can be changed into a prime (11640703021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5104432 + ... + 5106711.

It is an arithmetic number, because the mean of its divisors is an integer number (714780080).

Almost surely, 2^11640703020 is an apocalyptic number.

11640703020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11640703020 is an abundant number, since it is smaller than the sum of its proper divisors (22668740820).

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

11640703020 is a wasteful number, since it uses less digits than its factorization.

11640703020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211174 (or 10211172 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 11640703020 in words is "eleven billion, six hundred forty million, seven hundred three thousand, twenty".