20433135053 has 8 divisors (see below), whose sum is σ = 20627739072. Its totient is φ = 20238598656.

The previous prime is 20433134993. The next prime is 20433135061. The reversal of 20433135053 is 35053133402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20433135053 - 2¹² = 20433130957 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 (20433135083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757901 + ... + 784397.

It is an arithmetic number, because the mean of its divisors is an integer number (2578467384).

Almost surely, 2^20433135053 is an apocalyptic number.

It is an amenable number.

20433135053 is a deficient number, since it is larger than the sum of its proper divisors (194604019).

20433135053 is a wasteful number, since it uses less digits than its factorization.

20433135053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33811.

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 20433135053 its reverse (35053133402), we get a palindrome (55486268455).

The spelling of 20433135053 in words is "twenty billion, four hundred thirty-three million, one hundred thirty-five thousand, fifty-three".