20203204121404 has 48 divisors (see below), whose sum is σ = 36491485395456. Its totient is φ = 9782577604800.

The previous prime is 20203204121389. The next prime is 20203204121431. The reversal of 20203204121404 is 40412140230202.

It is a super-2 number, since 2×20203204121404² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11792487 + ... + 13396609.

It is an arithmetic number, because the mean of its divisors is an integer number (760239279072).

Almost surely, 2^{20203204121404} is an apocalyptic number.

It is an amenable number.

20203204121404 is a deficient number, since it is larger than the sum of its proper divisors (16288281274052).

20203204121404 is a wasteful number, since it uses less digits than its factorization.

20203204121404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604986 (or 1604984 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20203204121404 its reverse (40412140230202), we get a palindrome (60615344351606).

The spelling of 20203204121404 in words is "twenty trillion, two hundred three billion, two hundred four million, one hundred twenty-one thousand, four hundred four".