1020221770093 has 4 divisors (see below), whose sum is σ = 1020322682368. Its totient is φ = 1020120857820.

The previous prime is 1020221770039. The next prime is 1020221770097. The reversal of 1020221770093 is 3900771220201.

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 1020221770093 - 2¹³ = 1020221761901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221770097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50440971 + ... + 50461192.

It is an arithmetic number, because the mean of its divisors is an integer number (255080670592).

Almost surely, 2^{1020221770093} is an apocalyptic number.

It is an amenable number.

1020221770093 is a deficient number, since it is larger than the sum of its proper divisors (100912275).

1020221770093 is a wasteful number, since it uses less digits than its factorization.

1020221770093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100912274.

The product of its (nonzero) digits is 10584, while the sum is 34.

Adding to 1020221770093 its reverse (3900771220201), we get a palindrome (4920992990294).

The spelling of 1020221770093 in words is "one trillion, twenty billion, two hundred twenty-one million, seven hundred seventy thousand, ninety-three".