40220120220 has 144 divisors (see below), whose sum is σ = 132035420160. Its totient is φ = 9120698496.

The previous prime is 40220120209. The next prime is 40220120279. The reversal of 40220120220 is 2202102204.

40220120220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40220120220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40220120220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319521 + ... + 427239.

It is an arithmetic number, because the mean of its divisors is an integer number (916912640).

Almost surely, 2^40220120220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40220120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66017710080).

40220120220 is an abundant number, since it is smaller than the sum of its proper divisors (91815299940).

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

40220120220 is a wasteful number, since it uses less digits than its factorization.

40220120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107872 (or 107863 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 40220120220 its reverse (2202102204), we get a palindrome (42422222424).

The spelling of 40220120220 in words is "forty billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty".