20203023134 has 16 divisors (see below), whose sum is σ = 34662813408. Its totient is φ = 8651173632.

The previous prime is 20203023103. The next prime is 20203023259. The reversal of 20203023134 is 43132030202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588107 + ... + 621510.

It is an arithmetic number, because the mean of its divisors is an integer number (2166425838).

Almost surely, 2^20203023134 is an apocalyptic number.

20203023134 is a deficient number, since it is larger than the sum of its proper divisors (14459790274).

20203023134 is a wasteful number, since it uses less digits than its factorization.

20203023134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210819.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20203023134 its reverse (43132030202), we get a palindrome (63335053336).

The spelling of 20203023134 in words is "twenty billion, two hundred three million, twenty-three thousand, one hundred thirty-four".