11502340020 has 72 divisors (see below), whose sum is σ = 36407419776. Its totient is φ = 2933929152.

The previous prime is 11502340009. The next prime is 11502340027. The reversal of 11502340020 is 2004320511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11502339975 and 11502340002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11502340027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1385032 + ... + 1393311.

It is an arithmetic number, because the mean of its divisors is an integer number (505658608).

Almost surely, 2^11502340020 is an apocalyptic number.

11502340020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11502340020 is an abundant number, since it is smaller than the sum of its proper divisors (24905079756).

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

11502340020 is a wasteful number, since it uses less digits than its factorization.

11502340020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778381 (or 2778376 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 11502340020 its reverse (2004320511), we get a palindrome (13506660531).

The spelling of 11502340020 in words is "eleven billion, five hundred two million, three hundred forty thousand, twenty".