20531203041 has 16 divisors (see below), whose sum is σ = 27711028800. Its totient is φ = 13520439360.

The previous prime is 20531203037. The next prime is 20531203073. The reversal of 20531203041 is 14030213502.

It is not a de Polignac number, because 20531203041 - 2² = 20531203037 is a prime.

It is a super-3 number, since 3×20531203041³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20531202999 and 20531203017.

It is not an unprimeable number, because it can be changed into a prime (20530203041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45975 + ... + 207788.

It is an arithmetic number, because the mean of its divisors is an integer number (1731939300).

Almost surely, 2^20531203041 is an apocalyptic number.

It is an amenable number.

20531203041 is a deficient number, since it is larger than the sum of its proper divisors (7179825759).

20531203041 is a wasteful number, since it uses less digits than its factorization.

20531203041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254096.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20531203041 its reverse (14030213502), we get a palindrome (34561416543).

The spelling of 20531203041 in words is "twenty billion, five hundred thirty-one million, two hundred three thousand, forty-one".