20423114012 has 24 divisors (see below), whose sum is σ = 41842479840. Its totient is φ = 8539280640.

The previous prime is 20423114009. The next prime is 20423114029. The reversal of 20423114012 is 21041132402.

It is a super-2 number, since 2×20423114012² (a number of 21 digits) contains 22 as substring.

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, 8893937 + ... + 8896232.

It is an arithmetic number, because the mean of its divisors is an integer number (1743436660).

Almost surely, 2^20423114012 is an apocalyptic number.

It is an amenable number.

20423114012 is an abundant number, since it is smaller than the sum of its proper divisors (21419365828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20423114012 is a wasteful number, since it uses less digits than its factorization.

20423114012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17790221 (or 17790219 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20423114012 its reverse (21041132402), we get a palindrome (41464246414).

The spelling of 20423114012 in words is "twenty billion, four hundred twenty-three million, one hundred fourteen thousand, twelve".