1320220034 has 64 divisors (see below), whose sum is σ = 2477952000. Its totient is φ = 525417984.

The previous prime is 1320220021. The next prime is 1320220039. The reversal of 1320220034 is 4300220231.

It is a super-2 number, since 2×1320220034² = 3485961876349922312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1320219994 and 1320220021.

It is not an unprimeable number, because it can be changed into a prime (1320220039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 920582 + ... + 922014.

It is an arithmetic number, because the mean of its divisors is an integer number (38718000).

Almost surely, 2^1320220034 is an apocalyptic number.

1320220034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1320220034 is a deficient number, since it is larger than the sum of its proper divisors (1157731966).

1320220034 is a wasteful number, since it uses less digits than its factorization.

1320220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552 (or 1538 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1320220034 is about 36334.8322412530. The cubic root of 1320220034 is about 1097.0222588135.

Adding to 1320220034 its reverse (4300220231), we get a palindrome (5620440265).

The spelling of 1320220034 in words is "one billion, three hundred twenty million, two hundred twenty thousand, thirty-four".