220324023620 has 24 divisors (see below), whose sum is σ = 462723929304. Its totient is φ = 88121327616.

The previous prime is 220324023607. The next prime is 220324023643. The reversal of 220324023620 is 26320423022.

It can be written as a sum of positive squares in 4 ways, for example, as 21052849216 + 199271174404 = 145096^2 + 446398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220324023620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297179 + ... + 727298.

It is an arithmetic number, because the mean of its divisors is an integer number (19280163721).

Almost surely, 2^220324023620 is an apocalyptic number.

220324023620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220324023620 is an abundant number, since it is smaller than the sum of its proper divisors (242399905684).

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

220324023620 is a wasteful number, since it uses less digits than its factorization.

220324023620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035239 (or 1035237 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 220324023620 its reverse (26320423022), we get a palindrome (246644446642).

The spelling of 220324023620 in words is "two hundred twenty billion, three hundred twenty-four million, twenty-three thousand, six hundred twenty".