220342203021 has 8 divisors (see below), whose sum is σ = 299332804320. Its totient is φ = 144123201872.

The previous prime is 220342203019. The next prime is 220342203023. The reversal of 220342203021 is 120302243022.

It is an interprime number because it is at equal distance from previous prime (220342203019) and next prime (220342203023).

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 220342203021 - 2¹ = 220342203019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220342203023) 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, 692899851 + ... + 692900168.

It is an arithmetic number, because the mean of its divisors is an integer number (37416600540).

Almost surely, 2^220342203021 is an apocalyptic number.

It is an amenable number.

220342203021 is a deficient number, since it is larger than the sum of its proper divisors (78990601299).

220342203021 is a wasteful number, since it uses less digits than its factorization.

220342203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385800075.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 220342203021 its reverse (120302243022), we get a palindrome (340644446043).

The spelling of 220342203021 in words is "two hundred twenty billion, three hundred forty-two million, two hundred three thousand, twenty-one".