20534031524002 has 4 divisors (see below), whose sum is σ = 30801047286006. Its totient is φ = 10267015762000.

The previous prime is 20534031523963. The next prime is 20534031524003. The reversal of 20534031524002 is 20042513043502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20217693895281 + 316337628721 = 4496409^2 + 562439^2 .

It is not an unprimeable number, because it can be changed into a prime (20534031524003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5133507880999 + ... + 5133507881002.

Almost surely, 2^{20534031524002} is an apocalyptic number.

20534031524002 is a deficient number, since it is larger than the sum of its proper divisors (10267015762004).

20534031524002 is a wasteful number, since it uses less digits than its factorization.

20534031524002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267015762003.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 20534031524002 its reverse (20042513043502), we get a palindrome (40576544567504).

The spelling of 20534031524002 in words is "twenty trillion, five hundred thirty-four billion, thirty-one million, five hundred twenty-four thousand, two".