220130002021 has 4 divisors (see below), whose sum is σ = 220131874944. Its totient is φ = 220128129100.

The previous prime is 220130001991. The next prime is 220130002031. The reversal of 220130002021 is 120200031022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120200031022 = 2 ⋅60100015511.

It is a cyclic number.

It is not a de Polignac number, because 220130002021 - 2¹³ = 220129993829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220130001992 and 220130002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220130002031) 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, 747445 + ... + 999466.

It is an arithmetic number, because the mean of its divisors is an integer number (55032968736).

Almost surely, 2^220130002021 is an apocalyptic number.

It is an amenable number.

220130002021 is a deficient number, since it is larger than the sum of its proper divisors (1872923).

220130002021 is a wasteful number, since it uses less digits than its factorization.

220130002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872922.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220130002021 its reverse (120200031022), we get a palindrome (340330033043).

The spelling of 220130002021 in words is "two hundred twenty billion, one hundred thirty million, two thousand, twenty-one".