1332201020 has 24 divisors (see below), whose sum is σ = 2817754800. Its totient is φ = 529045632.

The previous prime is 1332201011. The next prime is 1332201023. The reversal of 1332201020 is 201022331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1332200986 and 1332201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332201023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236825 + ... + 242384.

It is an arithmetic number, because the mean of its divisors is an integer number (117406450).

Almost surely, 2^1332201020 is an apocalyptic number.

1332201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332201020 is an abundant number, since it is smaller than the sum of its proper divisors (1485553780).

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

1332201020 is a wasteful number, since it uses less digits than its factorization.

1332201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479357 (or 479355 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1332201020 is about 36499.3290349288. The cubic root of 1332201020 is about 1100.3307600376.

Adding to 1332201020 its reverse (201022331), we get a palindrome (1533223351).

Subtracting from 1332201020 its reverse (201022331), we obtain a square (1131178689 = 33633²).

The spelling of 1332201020 in words is "one billion, three hundred thirty-two million, two hundred one thousand, twenty".