11670500020 has 12 divisors (see below), whose sum is σ = 24508050084. Its totient is φ = 4668200000.

The previous prime is 11670499987. The next prime is 11670500029. The reversal of 11670500020 is 2000507611.

It can be written as a sum of positive squares in 2 ways, for example, as 6508939684 + 5161560336 = 80678^2 + 71844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11670499964 and 11670500000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11670500029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291762481 + ... + 291762520.

It is an arithmetic number, because the mean of its divisors is an integer number (2042337507).

Almost surely, 2^11670500020 is an apocalyptic number.

11670500020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11670500020 is an abundant number, since it is smaller than the sum of its proper divisors (12837550064).

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

11670500020 is a wasteful number, since it uses less digits than its factorization.

11670500020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583525010 (or 583525008 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The spelling of 11670500020 in words is "eleven billion, six hundred seventy million, five hundred thousand, twenty".