1302221133020 has 24 divisors (see below), whose sum is σ = 2734968171264. Its totient is φ = 520830588096.

The previous prime is 1302221133019. The next prime is 1302221133067. The reversal of 1302221133020 is 203311222031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1302221132983 and 1302221133001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431804 + ... + 3792323.

It is an arithmetic number, because the mean of its divisors is an integer number (113957007136).

Almost surely, 2^{1302221133020} is an apocalyptic number.

1302221133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302221133020 is an abundant number, since it is smaller than the sum of its proper divisors (1432747038244).

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

1302221133020 is a wasteful number, since it uses less digits than its factorization.

1302221133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233149 (or 7233147 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1302221133020 its reverse (203311222031), we get a palindrome (1505532355051).

The spelling of 1302221133020 in words is "one trillion, three hundred two billion, two hundred twenty-one million, one hundred thirty-three thousand, twenty".