220024431401 has 8 divisors (see below), whose sum is σ = 220269855624. Its totient is φ = 219779147520.

The previous prime is 220024431397. The next prime is 220024431433. The reversal of 220024431401 is 104134420022.

It can be written as a sum of positive squares in 4 ways, for example, as 22710791401 + 197313640000 = 150701^2 + 444200^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220024431401 - 2² = 220024431397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220024431101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273731 + ... + 3340263.

It is an arithmetic number, because the mean of its divisors is an integer number (27533731953).

Almost surely, 2^220024431401 is an apocalyptic number.

It is an amenable number.

220024431401 is a deficient number, since it is larger than the sum of its proper divisors (245424223).

220024431401 is a wasteful number, since it uses less digits than its factorization.

220024431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70171.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 220024431401 its reverse (104134420022), we get a palindrome (324158851423).

The spelling of 220024431401 in words is "two hundred twenty billion, twenty-four million, four hundred thirty-one thousand, four hundred one".