220012010993 has 4 divisors (see below), whose sum is σ = 220522480128. Its totient is φ = 219501541860.

The previous prime is 220012010987. The next prime is 220012011029. The reversal of 220012010993 is 399010210022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220012010993 - 2¹⁰ = 220012009969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220012010693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255233921 + ... + 255234782.

It is an arithmetic number, because the mean of its divisors is an integer number (55130620032).

Almost surely, 2^220012010993 is an apocalyptic number.

It is an amenable number.

220012010993 is a deficient number, since it is larger than the sum of its proper divisors (510469135).

220012010993 is an equidigital number, since it uses as much as digits as its factorization.

220012010993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510469134.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 220012010993 in words is "two hundred twenty billion, twelve million, ten thousand, nine hundred ninety-three".