42154220220 has 48 divisors (see below), whose sum is σ = 134893506048. Its totient is φ = 9635250240.

The previous prime is 42154220201. The next prime is 42154220239. The reversal of 42154220220 is 2202245124.

42154220220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42154220201) and next prime (42154220239).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50183176 + ... + 50184015.

It is an arithmetic number, because the mean of its divisors is an integer number (2810281376).

Almost surely, 2^42154220220 is an apocalyptic number.

It is an amenable number.

42154220220 is an abundant number, since it is smaller than the sum of its proper divisors (92739285828).

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

42154220220 is a wasteful number, since it uses less digits than its factorization.

42154220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100367210 (or 100367208 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 42154220220 its reverse (2202245124), we get a palindrome (44356465344).

The spelling of 42154220220 in words is "forty-two billion, one hundred fifty-four million, two hundred twenty thousand, two hundred twenty".