20123203029 has 8 divisors (see below), whose sum is σ = 26839896000. Its totient is φ = 13410989376.

The previous prime is 20123203027. The next prime is 20123203043. The reversal of 20123203029 is 92030232102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20123203029 - 2¹ = 20123203027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123203027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109332 + ... + 1127325.

It is an arithmetic number, because the mean of its divisors is an integer number (3354987000).

Almost surely, 2^20123203029 is an apocalyptic number.

It is an amenable number.

20123203029 is a deficient number, since it is larger than the sum of its proper divisors (6716692971).

20123203029 is a wasteful number, since it uses less digits than its factorization.

20123203029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239659.

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 20123203029 in words is "twenty billion, one hundred twenty-three million, two hundred three thousand, twenty-nine".