11301312020 has 24 divisors (see below), whose sum is σ = 25128800424. Its totient is φ = 4254611456.

The previous prime is 11301311939. The next prime is 11301312031. The reversal of 11301312020 is 2021310311.

It can be written as a sum of positive squares in 4 ways, for example, as 2159275024 + 9142036996 = 46468^2 + 95614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11301311986 and 11301312004.

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, 16619237 + ... + 16619916.

It is an arithmetic number, because the mean of its divisors is an integer number (1047033351).

Almost surely, 2^11301312020 is an apocalyptic number.

11301312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11301312020 is an abundant number, since it is smaller than the sum of its proper divisors (13827488404).

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

11301312020 is a wasteful number, since it uses less digits than its factorization.

11301312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33239179 (or 33239177 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11301312020 its reverse (2021310311), we get a palindrome (13322622331).

The spelling of 11301312020 in words is "eleven billion, three hundred one million, three hundred twelve thousand, twenty".