20053293121 has 4 divisors (see below), whose sum is σ = 20059956144. Its totient is φ = 20046630100.

The previous prime is 20053293067. The next prime is 20053293131. The reversal of 20053293121 is 12139235002.

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 20053293121 - 2¹¹ = 20053291073 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 20053293121.

It is not an unprimeable number, because it can be changed into a prime (20053293131) 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, 3326995 + ... + 3333016.

It is an arithmetic number, because the mean of its divisors is an integer number (5014989036).

Almost surely, 2^20053293121 is an apocalyptic number.

It is an amenable number.

20053293121 is a deficient number, since it is larger than the sum of its proper divisors (6663023).

20053293121 is an equidigital number, since it uses as much as digits as its factorization.

20053293121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663022.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 20053293121 in words is "twenty billion, fifty-three million, two hundred ninety-three thousand, one hundred twenty-one".