20103496 has 32 divisors (see below), whose sum is σ = 44568000. Its totient is φ = 8318016.

The previous prime is 20103493. The next prime is 20103509. The reversal of 20103496 is 69430102.

It is a self number, because there is not a number n which added to its sum of digits gives 20103496.

It is not an unprimeable number, because it can be changed into a prime (20103493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4566 + ... + 7813.

It is an arithmetic number, because the mean of its divisors is an integer number (1392750).

Almost surely, 2^20103496 is an apocalyptic number.

It is an amenable number.

20103496 is an abundant number, since it is smaller than the sum of its proper divisors (24464504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103496 is a wasteful number, since it uses less digits than its factorization.

20103496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12421 (or 12417 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20103496 is about 4483.6922285099. The cubic root of 20103496 is about 271.9091752697.

Adding to 20103496 its reverse (69430102), we get a palindrome (89533598).

The spelling of 20103496 in words is "twenty million, one hundred three thousand, four hundred ninety-six".