20423134234050 has 24 divisors (see below), whose sum is σ = 50649372900816. Its totient is φ = 5446169129040.

The previous prime is 20423134233989. The next prime is 20423134234079. The reversal of 20423134234050 is 5043243132402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68077113964 + ... + 68077114263.

It is an arithmetic number, because the mean of its divisors is an integer number (2110390537534).

Almost surely, 2^{20423134234050} is an apocalyptic number.

20423134234050 is an abundant number, since it is smaller than the sum of its proper divisors (30226238666766).

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

20423134234050 is a wasteful number, since it uses less digits than its factorization.

20423134234050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136154228242 (or 136154228237 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20423134234050 its reverse (5043243132402), we get a palindrome (25466377366452).

The spelling of 20423134234050 in words is "twenty trillion, four hundred twenty-three billion, one hundred thirty-four million, two hundred thirty-four thousand, fifty".