3011001320020 has 48 divisors (see below), whose sum is σ = 6382953617040. Its totient is φ = 1193053768704.

The previous prime is 3011001319999. The next prime is 3011001320023. The reversal of 3011001320020 is 200231001103.

It can be written as a sum of positive squares in 8 ways, for example, as 1693423331856 + 1317577988164 = 1301316^2 + 1147858^2 .

It is a super-2 number, since 2×3011001320020² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011001320023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766329 + ... + 2570848.

It is an arithmetic number, because the mean of its divisors is an integer number (132978200355).

Almost surely, 2^{3011001320020} is an apocalyptic number.

It is an amenable number.

3011001320020 is an abundant number, since it is smaller than the sum of its proper divisors (3371952297020).

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

3011001320020 is a wasteful number, since it uses less digits than its factorization.

3011001320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337612 (or 3337610 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 3011001320020 its reverse (200231001103), we get a palindrome (3211232321123).

The spelling of 3011001320020 in words is "three trillion, eleven billion, one million, three hundred twenty thousand, twenty".