20113203004 has 6 divisors (see below), whose sum is σ = 35198105264. Its totient is φ = 10056601500.

The previous prime is 20113202999. The next prime is 20113203029. The reversal of 20113203004 is 40030231102.

It is a happy number.

It is a super-2 number, since 2×20113203004² (a number of 21 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 as a sum of consecutive naturals, namely, 2514150372 + ... + 2514150379.

Almost surely, 2^20113203004 is an apocalyptic number.

It is an amenable number.

20113203004 is a deficient number, since it is larger than the sum of its proper divisors (15084902260).

20113203004 is a wasteful number, since it uses less digits than its factorization.

20113203004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028300755 (or 5028300753 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20113203004 its reverse (40030231102), we get a palindrome (60143434106).

The spelling of 20113203004 in words is "twenty billion, one hundred thirteen million, two hundred three thousand, four".