20540225324 has 12 divisors (see below), whose sum is σ = 36207770424. Its totient is φ = 10195148064.

The previous prime is 20540225311. The next prime is 20540225339. The reversal of 20540225324 is 42352204502.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18740534 + ... + 18741629.

It is an arithmetic number, because the mean of its divisors is an integer number (3017314202).

Almost surely, 2^20540225324 is an apocalyptic number.

It is an amenable number.

20540225324 is a deficient number, since it is larger than the sum of its proper divisors (15667545100).

20540225324 is a wasteful number, since it uses less digits than its factorization.

20540225324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37482304 (or 37482302 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 20540225324 its reverse (42352204502), we get a palindrome (62892429826).

The spelling of 20540225324 in words is "twenty billion, five hundred forty million, two hundred twenty-five thousand, three hundred twenty-four".