40420541201020 has 12 divisors (see below), whose sum is σ = 84883136522184. Its totient is φ = 16168216480400.

The previous prime is 40420541200997. The next prime is 40420541201041. The reversal of 40420541201020 is 2010214502404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010513530006 + ... + 1010513530045.

It is an arithmetic number, because the mean of its divisors is an integer number (7073594710182).

Almost surely, 2^{40420541201020} is an apocalyptic number.

It is an amenable number.

40420541201020 is an abundant number, since it is smaller than the sum of its proper divisors (44462595321164).

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

40420541201020 is a wasteful number, since it uses less digits than its factorization.

40420541201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021027060060 (or 2021027060058 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 40420541201020 its reverse (2010214502404), we get a palindrome (42430755703424).

The spelling of 40420541201020 in words is "forty trillion, four hundred twenty billion, five hundred forty-one million, two hundred one thousand, twenty".