41020820 has 12 divisors (see below), whose sum is σ = 86143764. Its totient is φ = 16408320.

The previous prime is 41020783. The next prime is 41020823. The reversal of 41020820 is 2802014.

It can be written as a sum of positive squares in 2 ways, for example, as 14167696 + 26853124 = 3764^2 + 5182^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41020823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025501 + ... + 1025540.

It is an arithmetic number, because the mean of its divisors is an integer number (7178647).

Almost surely, 2^41020820 is an apocalyptic number.

It is an amenable number.

41020820 is an abundant number, since it is smaller than the sum of its proper divisors (45122944).

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

41020820 is a wasteful number, since it uses less digits than its factorization.

41020820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051050 (or 2051048 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 41020820 is about 6404.7497999532. The cubic root of 41020820 is about 344.8800815458.

Adding to 41020820 its reverse (2802014), we get a palindrome (43822834).

The spelling of 41020820 in words is "forty-one million, twenty thousand, eight hundred twenty".