20020101123234 has 32 divisors (see below), whose sum is σ = 40346375636160. Its totient is φ = 6622339464000.

The previous prime is 20020101123221. The next prime is 20020101123241. The reversal of 20020101123234 is 43232110102002.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20020101123234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96471384 + ... + 96678684.

It is an arithmetic number, because the mean of its divisors is an integer number (1260824238630).

Almost surely, 2^{20020101123234} is an apocalyptic number.

20020101123234 is an abundant number, since it is smaller than the sum of its proper divisors (20326274512926).

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

20020101123234 is a wasteful number, since it uses less digits than its factorization.

20020101123234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330306.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20020101123234 its reverse (43232110102002), we get a palindrome (63252211225236).

The spelling of 20020101123234 in words is "twenty trillion, twenty billion, one hundred one million, one hundred twenty-three thousand, two hundred thirty-four".