1320200101 has 16 divisors (see below), whose sum is σ = 1461888000. Its totient is φ = 1182227200.

The previous prime is 1320200099. The next prime is 1320200111. The reversal of 1320200101 is 1010020231.

It is not a de Polignac number, because 1320200101 - 2¹ = 1320200099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320200111) 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, 272700 + ... + 277498.

It is an arithmetic number, because the mean of its divisors is an integer number (91368000).

Almost surely, 2^1320200101 is an apocalyptic number.

1320200101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1320200101 is a deficient number, since it is larger than the sum of its proper divisors (141687899).

1320200101 is a wasteful number, since it uses less digits than its factorization.

1320200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1320200101 is about 36334.5579441941. The cubic root of 1320200101 is about 1097.0167377503.

Adding to 1320200101 its reverse (1010020231), we get a palindrome (2330220332).

The spelling of 1320200101 in words is "one billion, three hundred twenty million, two hundred thousand, one hundred one".