11331003020 has 36 divisors (see below), whose sum is σ = 25113410784. Its totient is φ = 4293851040.

The previous prime is 11331003017. The next prime is 11331003023. The reversal of 11331003020 is 2030013311.

It is an interprime number because it is at equal distance from previous prime (11331003017) and next prime (11331003023).

It is a junction number, because it is equal to n+sod(n) for n = 11331002986 and 11331003004.

It is not an unprimeable number, because it can be changed into a prime (11331003023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777476 + ... + 791915.

It is an arithmetic number, because the mean of its divisors is an integer number (697594744).

Almost surely, 2^11331003020 is an apocalyptic number.

11331003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331003020 is an abundant number, since it is smaller than the sum of its proper divisors (13782407764).

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

11331003020 is a wasteful number, since it uses less digits than its factorization.

11331003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569438 (or 1569417 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 11331003020 its reverse (2030013311), we get a palindrome (13361016331).

The spelling of 11331003020 in words is "eleven billion, three hundred thirty-one million, three thousand, twenty".