20123220038 has 16 divisors (see below), whose sum is σ = 30267270000. Its totient is φ = 10034153472.

The previous prime is 20123220037. The next prime is 20123220067. The reversal of 20123220038 is 83002232102.

It is a junction number, because it is equal to n+sod(n) for n = 20123219995 and 20123220022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123220037) 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, 2311598 + ... + 2320286.

It is an arithmetic number, because the mean of its divisors is an integer number (1891704375).

Almost surely, 2^20123220038 is an apocalyptic number.

20123220038 is a deficient number, since it is larger than the sum of its proper divisors (10144049962).

20123220038 is a wasteful number, since it uses less digits than its factorization.

20123220038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11719.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 20123220038 in words is "twenty billion, one hundred twenty-three million, two hundred twenty thousand, thirty-eight".