1320626652 has 48 divisors (see below), whose sum is σ = 3159112320. Its totient is φ = 429219648.

The previous prime is 1320626641. The next prime is 1320626653. The reversal of 1320626652 is 2566260231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320626653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97299 + ... + 110037.

It is an arithmetic number, because the mean of its divisors is an integer number (65814840).

Almost surely, 2^1320626652 is an apocalyptic number.

1320626652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320626652 is an abundant number, since it is smaller than the sum of its proper divisors (1838485668).

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

1320626652 is a wasteful number, since it uses less digits than its factorization.

1320626652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962 (or 12960 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1320626652 is about 36340.4272401963. The cubic root of 1320626652 is about 1097.1348721653.

Adding to 1320626652 its reverse (2566260231), we get a palindrome (3886886883).

The spelling of 1320626652 in words is "one billion, three hundred twenty million, six hundred twenty-six thousand, six hundred fifty-two".