41001021020 has 24 divisors (see below), whose sum is σ = 86215319568. Its totient is φ = 16378851200.

The previous prime is 41001020993. The next prime is 41001021029. The reversal of 41001021020 is 2012010014.

It is a junction number, because it is equal to n+sod(n) for n = 41001020992 and 41001021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41001021029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331726 + ... + 1362165.

It is an arithmetic number, because the mean of its divisors is an integer number (3592304982).

Almost surely, 2^41001021020 is an apocalyptic number.

It is an amenable number.

41001021020 is an abundant number, since it is smaller than the sum of its proper divisors (45214298548).

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

41001021020 is a wasteful number, since it uses less digits than its factorization.

41001021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694661 (or 2694659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 41001021020 its reverse (2012010014), we get a palindrome (43013031034).

The spelling of 41001021020 in words is "forty-one billion, one million, twenty-one thousand, twenty".