220020012121301 has 4 divisors (see below), whose sum is σ = 251451442424352. Its totient is φ = 188588581818252.

The previous prime is 220020012121277. The next prime is 220020012121303. The reversal of 220020012121301 is 103121210020022.

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 not a de Polignac number, because 220020012121301 - 2¹⁰ = 220020012120277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220020012121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020012121303) 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, 15715715151515 + ... + 15715715151528.

It is an arithmetic number, because the mean of its divisors is an integer number (62862860606088).

Almost surely, 2^{220020012121301} is an apocalyptic number.

It is an amenable number.

220020012121301 is a deficient number, since it is larger than the sum of its proper divisors (31431430303051).

220020012121301 is an equidigital number, since it uses as much as digits as its factorization.

220020012121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31431430303050.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220020012121301 its reverse (103121210020022), we get a palindrome (323141222141323).

The spelling of 220020012121301 in words is "two hundred twenty trillion, twenty billion, twelve million, one hundred twenty-one thousand, three hundred one".