1302131232020 has 24 divisors (see below), whose sum is σ = 2734524538368. Its totient is φ = 520843168800.

The previous prime is 1302131232011. The next prime is 1302131232023. The reversal of 1302131232020 is 202321312031.

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 = 1302131231983 and 1302131232001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302131232023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623285 + ... + 1729955.

It is an arithmetic number, because the mean of its divisors is an integer number (113938522432).

Almost surely, 2^{1302131232020} is an apocalyptic number.

1302131232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302131232020 is an abundant number, since it is smaller than the sum of its proper divisors (1432393306348).

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

1302131232020 is a wasteful number, since it uses less digits than its factorization.

1302131232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165511 (or 1165509 counting only the distinct ones).

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

Adding to 1302131232020 its reverse (202321312031), we get a palindrome (1504452544051).

The spelling of 1302131232020 in words is "one trillion, three hundred two billion, one hundred thirty-one million, two hundred thirty-two thousand, twenty".