20123033204 has 6 divisors (see below), whose sum is σ = 35215308114. Its totient is φ = 10061516600.

The previous prime is 20123033173. The next prime is 20123033207. The reversal of 20123033204 is 40233032102.

It can be written as a sum of positive squares in only one way, i.e., 16468588900 + 3654444304 = 128330^2 + 60452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123033207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515379147 + ... + 2515379154.

It is an arithmetic number, because the mean of its divisors is an integer number (5869218019).

Almost surely, 2^20123033204 is an apocalyptic number.

It is an amenable number.

20123033204 is a deficient number, since it is larger than the sum of its proper divisors (15092274910).

20123033204 is a wasteful number, since it uses less digits than its factorization.

20123033204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030758305 (or 5030758303 counting only the distinct ones).

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

Adding to 20123033204 its reverse (40233032102), we get a palindrome (60356065306).

The spelling of 20123033204 in words is "twenty billion, one hundred twenty-three million, thirty-three thousand, two hundred four".