41220020 has 24 divisors (see below), whose sum is σ = 89548200. Its totient is φ = 15919232.

The previous prime is 41220013. The next prime is 41220037. The reversal of 41220020 is 2002214.

It can be written as a sum of positive squares in 4 ways, for example, as 106276 + 41113744 = 326^2 + 6412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41219983 and 41220010.

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, 34955 + ... + 36114.

It is an arithmetic number, because the mean of its divisors is an integer number (3731175).

Almost surely, 2^41220020 is an apocalyptic number.

It is an amenable number.

41220020 is an abundant number, since it is smaller than the sum of its proper divisors (48328180).

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

41220020 is a wasteful number, since it uses less digits than its factorization.

41220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71107 (or 71105 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 41220020 is about 6420.2819252740. The cubic root of 41220020 is about 345.4374343493.

Adding to 41220020 its reverse (2002214), we get a palindrome (43222234).

The spelling of 41220020 in words is "forty-one million, two hundred twenty thousand, twenty".