20021225341 has 6 divisors (see below), whose sum is σ = 21679788570. Its totient is φ = 18481130928.

The previous prime is 20021225339. The next prime is 20021225381. The reversal of 20021225341 is 14352212002.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 35748441 + 19985476900 = 5979^2 + 141370^2 .

It is not a de Polignac number, because 20021225341 - 2¹ = 20021225339 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 (20021225381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59234226 + ... + 59234563.

It is an arithmetic number, because the mean of its divisors is an integer number (3613298095).

Almost surely, 2^20021225341 is an apocalyptic number.

It is an amenable number.

20021225341 is a deficient number, since it is larger than the sum of its proper divisors (1658563229).

20021225341 is a wasteful number, since it uses less digits than its factorization.

20021225341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118468815 (or 118468802 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20021225341 its reverse (14352212002), we get a palindrome (34373437343).

The spelling of 20021225341 in words is "twenty billion, twenty-one million, two hundred twenty-five thousand, three hundred forty-one".