353215140220 has 24 divisors (see below), whose sum is σ = 759843303408. Its totient is φ = 137840054400.

The previous prime is 353215140181. The next prime is 353215140221. The reversal of 353215140220 is 22041512353.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353215140221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215374266 + ... + 215375905.

It is an arithmetic number, because the mean of its divisors is an integer number (31660137642).

Almost surely, 2^353215140220 is an apocalyptic number.

It is an amenable number.

353215140220 is an abundant number, since it is smaller than the sum of its proper divisors (406628163188).

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

353215140220 is a wasteful number, since it uses less digits than its factorization.

353215140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430750221 (or 430750219 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 353215140220 its reverse (22041512353), we get a palindrome (375256652573).

The spelling of 353215140220 in words is "three hundred fifty-three billion, two hundred fifteen million, one hundred forty thousand, two hundred twenty".