220240551342 has 64 divisors (see below), whose sum is σ = 511935552000. Its totient is φ = 61865316864.

The previous prime is 220240551317. The next prime is 220240551347. The reversal of 220240551342 is 243155042022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220240551347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 844909 + ... + 1074407.

It is an arithmetic number, because the mean of its divisors is an integer number (7998993000).

Almost surely, 2^220240551342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220240551342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255967776000).

220240551342 is an abundant number, since it is smaller than the sum of its proper divisors (291695000658).

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

220240551342 is a wasteful number, since it uses less digits than its factorization.

220240551342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229897.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 220240551342 its reverse (243155042022), we get a palindrome (463395593364).

The spelling of 220240551342 in words is "two hundred twenty billion, two hundred forty million, five hundred fifty-one thousand, three hundred forty-two".