1300222020 has 48 divisors (see below), whose sum is σ = 3642408000. Its totient is φ = 346555776.

The previous prime is 1300222019. The next prime is 1300222037. The reversal of 1300222020 is 202220031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1300221987 and 1300222005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160999 + ... + 168881.

It is an arithmetic number, because the mean of its divisors is an integer number (75883500).

Almost surely, 2^1300222020 is an apocalyptic number.

1300222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300222020 is an abundant number, since it is smaller than the sum of its proper divisors (2342185980).

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

1300222020 is a wasteful number, since it uses less digits than its factorization.

1300222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10644 (or 10642 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1300222020 is about 36058.5914866346. The cubic root of 1300222020 is about 1091.4550105624.

Adding to 1300222020 its reverse (202220031), we get a palindrome (1502442051).

The spelling of 1300222020 in words is "one billion, three hundred million, two hundred twenty-two thousand, twenty".