20122120301 has 4 divisors (see below), whose sum is σ = 20122487004. Its totient is φ = 20121753600.

The previous prime is 20122120217. The next prime is 20122120307. The reversal of 20122120301 is 10302122102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10302122102 = 2 ⋅5151061051.

It can be written as a sum of positive squares in 2 ways, for example, as 19312660900 + 809459401 = 138970^2 + 28451^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122120301 - 2¹⁴ = 20122103917 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 (20122120307) 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, 82580 + ... + 216941.

It is an arithmetic number, because the mean of its divisors is an integer number (5030621751).

Almost surely, 2^20122120301 is an apocalyptic number.

It is an amenable number.

20122120301 is a deficient number, since it is larger than the sum of its proper divisors (366703).

20122120301 is an equidigital number, since it uses as much as digits as its factorization.

20122120301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366702.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20122120301 its reverse (10302122102), we get a palindrome (30424242403).

The spelling of 20122120301 in words is "twenty billion, one hundred twenty-two million, one hundred twenty thousand, three hundred one".