1301203102020 has 24 divisors (see below), whose sum is σ = 3643368685824. Its totient is φ = 346987493856.

The previous prime is 1301203102013. The next prime is 1301203102037. The reversal of 1301203102020 is 202013021031.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 10843359124 + ... + 10843359243.

It is an arithmetic number, because the mean of its divisors is an integer number (151807028576).

Almost surely, 2^{1301203102020} is an apocalyptic number.

1301203102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301203102020 is an abundant number, since it is smaller than the sum of its proper divisors (2342165583804).

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

1301203102020 is a wasteful number, since it uses less digits than its factorization.

1301203102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21686718379 (or 21686718377 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1301203102020 its reverse (202013021031), we get a palindrome (1503216123051).

The spelling of 1301203102020 in words is "one trillion, three hundred one billion, two hundred three million, one hundred two thousand, twenty".