20120401324 has 12 divisors (see below), whose sum is σ = 36346531648. Its totient is φ = 9735678000.

The previous prime is 20120401321. The next prime is 20120401331. The reversal of 20120401324 is 42310402102.

It is not an unprimeable number, because it can be changed into a prime (20120401321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81130527 + ... + 81130774.

Almost surely, 2^20120401324 is an apocalyptic number.

It is an amenable number.

20120401324 is a deficient number, since it is larger than the sum of its proper divisors (16226130324).

20120401324 is a wasteful number, since it uses less digits than its factorization.

20120401324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162261336 (or 162261334 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20120401324 its reverse (42310402102), we get a palindrome (62430803426).

The spelling of 20120401324 in words is "twenty billion, one hundred twenty million, four hundred one thousand, three hundred twenty-four".