20103404212 has 24 divisors (see below), whose sum is σ = 36166459392. Its totient is φ = 9771864000.

The previous prime is 20103404201. The next prime is 20103404263. The reversal of 20103404212 is 21240430102.

It is a super-2 number, since 2×20103404212² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20103404212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170164 + ... + 262987.

It is an arithmetic number, because the mean of its divisors is an integer number (1506935808).

Almost surely, 2^20103404212 is an apocalyptic number.

It is an amenable number.

20103404212 is a deficient number, since it is larger than the sum of its proper divisors (16063055180).

20103404212 is a wasteful number, since it uses less digits than its factorization.

20103404212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433479 (or 433477 counting only the distinct ones).

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

Adding to 20103404212 its reverse (21240430102), we get a palindrome (41343834314).

The spelling of 20103404212 in words is "twenty billion, one hundred three million, four hundred four thousand, two hundred twelve".