20423255135010 has 64 divisors (see below), whose sum is σ = 60327153637632. Its totient is φ = 4309082401536.

The previous prime is 20423255134987. The next prime is 20423255135039. The reversal of 20423255135010 is 1053155232402.

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 31 ways as a sum of consecutive naturals, for example, 3740520189 + ... + 3740525648.

It is an arithmetic number, because the mean of its divisors is an integer number (942611775588).

Almost surely, 2^{20423255135010} is an apocalyptic number.

20423255135010 is an abundant number, since it is smaller than the sum of its proper divisors (39903898502622).

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

20423255135010 is a wasteful number, since it uses less digits than its factorization.

20423255135010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481045867.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 20423255135010 in words is "twenty trillion, four hundred twenty-three billion, two hundred fifty-five million, one hundred thirty-five thousand, ten".