1320214021 has 8 divisors (see below), whose sum is σ = 1513578240. Its totient is φ = 1128040368.

The previous prime is 1320214003. The next prime is 1320214037. The reversal of 1320214021 is 1204120231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320214021 - 2¹³ = 1320205829 is a prime.

It is a super-2 number, since 2×1320214021² = 3485930122489976882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320213986 and 1320214004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320214061) 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, 295261 + ... + 299698.

It is an arithmetic number, because the mean of its divisors is an integer number (189197280).

Almost surely, 2^1320214021 is an apocalyptic number.

It is an amenable number.

1320214021 is a deficient number, since it is larger than the sum of its proper divisors (193364219).

1320214021 is an equidigital number, since it uses as much as digits as its factorization.

1320214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595283.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1320214021 is about 36334.7494968659. The cubic root of 1320214021 is about 1097.0205933323.

Adding to 1320214021 its reverse (1204120231), we get a palindrome (2524334252).

The spelling of 1320214021 in words is "one billion, three hundred twenty million, two hundred fourteen thousand, twenty-one".