20233231202134 has 16 divisors (see below), whose sum is σ = 30777489008640. Its totient is φ = 9974069862120.

The previous prime is 20233231202131. The next prime is 20233231202137. The reversal of 20233231202134 is 43120213233202.

It is an interprime number because it is at equal distance from previous prime (20233231202131) and next prime (20233231202137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233231202131) 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, 34012747 + ... + 34602505.

It is an arithmetic number, because the mean of its divisors is an integer number (1923593063040).

Almost surely, 2^{20233231202134} is an apocalyptic number.

20233231202134 is a deficient number, since it is larger than the sum of its proper divisors (10544257806506).

20233231202134 is a wasteful number, since it uses less digits than its factorization.

20233231202134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831435.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20233231202134 its reverse (43120213233202), we get a palindrome (63353444435336).

The spelling of 20233231202134 in words is "twenty trillion, two hundred thirty-three billion, two hundred thirty-one million, two hundred two thousand, one hundred thirty-four".