1202320420 has 48 divisors (see below), whose sum is σ = 2952690048. Its totient is φ = 402635520.

The previous prime is 1202320409. The next prime is 1202320421. The reversal of 1202320420 is 240232021.

It is a junction number, because it is equal to n+sod(n) for n = 1202320394 and 1202320403.

It is not an unprimeable number, because it can be changed into a prime (1202320421) 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, 93841 + ... + 105880.

It is an arithmetic number, because the mean of its divisors is an integer number (61514376).

Almost surely, 2^1202320420 is an apocalyptic number.

1202320420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202320420 is an abundant number, since it is smaller than the sum of its proper divisors (1750369628).

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

1202320420 is a wasteful number, since it uses less digits than its factorization.

1202320420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199780 (or 199778 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1202320420 is about 34674.4923538903. The cubic root of 1202320420 is about 1063.3430765533.

Adding to 1202320420 its reverse (240232021), we get a palindrome (1442552441).

The spelling of 1202320420 in words is "one billion, two hundred two million, three hundred twenty thousand, four hundred twenty".