20344433053 has 4 divisors (see below), whose sum is σ = 23250780640. Its totient is φ = 17438085468.

The previous prime is 20344433029. The next prime is 20344433059. The reversal of 20344433053 is 35033444302.

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 20344433053 - 2¹³ = 20344424861 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 (20344433059) 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, 1453173783 + ... + 1453173796.

It is an arithmetic number, because the mean of its divisors is an integer number (5812695160).

Almost surely, 2^20344433053 is an apocalyptic number.

It is an amenable number.

20344433053 is a deficient number, since it is larger than the sum of its proper divisors (2906347587).

20344433053 is an equidigital number, since it uses as much as digits as its factorization.

20344433053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906347586.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 20344433053 its reverse (35033444302), we get a palindrome (55377877355).

The spelling of 20344433053 in words is "twenty billion, three hundred forty-four million, four hundred thirty-three thousand, fifty-three".