220412542672 has 80 divisors (see below), whose sum is σ = 497513692800. Its totient is φ = 92639715840.

The previous prime is 220412542657. The next prime is 220412542687. The reversal of 220412542672 is 276245214022.

It is an interprime number because it is at equal distance from previous prime (220412542657) and next prime (220412542687).

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, 2742354 + ... + 2821582.

It is an arithmetic number, because the mean of its divisors is an integer number (6218921160).

Almost surely, 2^220412542672 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 220412542672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248756846400).

220412542672 is an abundant number, since it is smaller than the sum of its proper divisors (277101150128).

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

220412542672 is a wasteful number, since it uses less digits than its factorization.

220412542672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79724 (or 79718 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

Adding to 220412542672 its reverse (276245214022), we get a palindrome (496657756694).

The spelling of 220412542672 in words is "two hundred twenty billion, four hundred twelve million, five hundred forty-two thousand, six hundred seventy-two".