20123001022 has 16 divisors (see below), whose sum is σ = 30527133840. Its totient is φ = 9947930112.

The previous prime is 20123001013. The next prime is 20123001049. The reversal of 20123001022 is 22010032102.

It is a junction number, because it is equal to n+sod(n) for n = 20123000993 and 20123001011.

It is a congruent number.

It is an unprimeable number.

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, 96997 + ... + 222832.

It is an arithmetic number, because the mean of its divisors is an integer number (1907945865).

Almost surely, 2^20123001022 is an apocalyptic number.

20123001022 is a deficient number, since it is larger than the sum of its proper divisors (10404132818).

20123001022 is a wasteful number, since it uses less digits than its factorization.

20123001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320187.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20123001022 its reverse (22010032102), we get a palindrome (42133033124).

The spelling of 20123001022 in words is "twenty billion, one hundred twenty-three million, one thousand, twenty-two".