20412443053 has 4 divisors (see below), whose sum is σ = 20846750400. Its totient is φ = 19978135708.

The previous prime is 20412443047. The next prime is 20412443059. The reversal of 20412443053 is 35034421402.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35034421402 = 2 ⋅17517210701.

It is an interprime number because it is at equal distance from previous prime (20412443047) and next prime (20412443059).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20412443053 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 (20412443059) 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, 217153603 + ... + 217153696.

It is an arithmetic number, because the mean of its divisors is an integer number (5211687600).

Almost surely, 2^20412443053 is an apocalyptic number.

It is an amenable number.

20412443053 is a deficient number, since it is larger than the sum of its proper divisors (434307347).

20412443053 is an equidigital number, since it uses as much as digits as its factorization.

20412443053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434307346.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20412443053 its reverse (35034421402), we get a palindrome (55446864455).

The spelling of 20412443053 in words is "twenty billion, four hundred twelve million, four hundred forty-three thousand, fifty-three".