20122389926 has 16 divisors (see below), whose sum is σ = 32246410560. Its totient is φ = 9389393640.

The previous prime is 20122389887. The next prime is 20122389929. The reversal of 20122389926 is 62998322102.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122389929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949220 + ... + 3954311.

It is an arithmetic number, because the mean of its divisors is an integer number (2015400660).

Almost surely, 2^20122389926 is an apocalyptic number.

20122389926 is a deficient number, since it is larger than the sum of its proper divisors (12124020634).

20122389926 is a wasteful number, since it uses less digits than its factorization.

20122389926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903619.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 20122389926 in words is "twenty billion, one hundred twenty-two million, three hundred eighty-nine thousand, nine hundred twenty-six".