20203043134 has 16 divisors (see below), whose sum is σ = 32106524688. Its totient is φ = 9501584512.

The previous prime is 20203043101. The next prime is 20203043143. The reversal of 20203043134 is 43134030202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 121549 + ... + 234904.

It is an arithmetic number, because the mean of its divisors is an integer number (2006657793).

Almost surely, 2^20203043134 is an apocalyptic number.

20203043134 is a deficient number, since it is larger than the sum of its proper divisors (11903481554).

20203043134 is a wasteful number, since it uses less digits than its factorization.

20203043134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358139.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20203043134 its reverse (43134030202), we get a palindrome (63337073336).

The spelling of 20203043134 in words is "twenty billion, two hundred three million, forty-three thousand, one hundred thirty-four".