11001301020 has 72 divisors (see below), whose sum is σ = 34272542304. Its totient is φ = 2854389888.

The previous prime is 11001300953. The next prime is 11001301021. The reversal of 11001301020 is 2010310011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11001300993 and 11001301011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001301021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 819264 + ... + 832583.

It is an arithmetic number, because the mean of its divisors is an integer number (476007532).

Almost surely, 2^11001301020 is an apocalyptic number.

11001301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001301020 is an abundant number, since it is smaller than the sum of its proper divisors (23271241284).

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

11001301020 is a wasteful number, since it uses less digits than its factorization.

11001301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651899 (or 1651894 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11001301020 its reverse (2010310011), we get a palindrome (13011611031).

The spelling of 11001301020 in words is "eleven billion, one million, three hundred one thousand, twenty".