11332012420 has 24 divisors (see below), whose sum is σ = 23910018048. Its totient is φ = 4511320800.

The previous prime is 11332012399. The next prime is 11332012457. The reversal of 11332012420 is 2421023311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338436 + ... + 1346875.

It is an arithmetic number, because the mean of its divisors is an integer number (996250752).

Almost surely, 2^11332012420 is an apocalyptic number.

11332012420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11332012420 is an abundant number, since it is smaller than the sum of its proper divisors (12578005628).

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

11332012420 is a wasteful number, since it uses less digits than its factorization.

11332012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685531 (or 2685529 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11332012420 its reverse (2421023311), we get a palindrome (13753035731).

The spelling of 11332012420 in words is "eleven billion, three hundred thirty-two million, twelve thousand, four hundred twenty".