20210134533 has 8 divisors (see below), whose sum is σ = 27349038048. Its totient is φ = 13272327024.

The previous prime is 20210134517. The next prime is 20210134537. The reversal of 20210134533 is 33543101202.

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

It is not a de Polignac number, because 20210134533 - 2⁴ = 20210134517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210134537) 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, 50273766 + ... + 50274167.

It is an arithmetic number, because the mean of its divisors is an integer number (3418629756).

Almost surely, 2^20210134533 is an apocalyptic number.

It is an amenable number.

20210134533 is a deficient number, since it is larger than the sum of its proper divisors (7138903515).

20210134533 is a wasteful number, since it uses less digits than its factorization.

20210134533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100548003.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20210134533 its reverse (33543101202), we get a palindrome (53753235735).

The spelling of 20210134533 in words is "twenty billion, two hundred ten million, one hundred thirty-four thousand, five hundred thirty-three".