1320636070 has 32 divisors (see below), whose sum is σ = 2561787648. Its totient is φ = 487279488.

The previous prime is 1320636061. The next prime is 1320636073. The reversal of 1320636070 is 706360231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320636073) 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, 257067 + ... + 262153.

It is an arithmetic number, because the mean of its divisors is an integer number (80055864).

Almost surely, 2^1320636070 is an apocalyptic number.

1320636070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320636070 is a deficient number, since it is larger than the sum of its proper divisors (1241151578).

1320636070 is a wasteful number, since it uses less digits than its factorization.

1320636070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1320636070 is about 36340.5568201699. The cubic root of 1320636070 is about 1097.1374802180.

The spelling of 1320636070 in words is "one billion, three hundred twenty million, six hundred thirty-six thousand, seventy".