20123433432102 has 128 divisors (see below), whose sum is σ = 55498231692288. Its totient is φ = 4694399193600.

The previous prime is 20123433432101. The next prime is 20123433432133.

It is a happy number.

20123433432102 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20123433432102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123433432101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45055549 + ... + 45499992.

It is an arithmetic number, because the mean of its divisors is an integer number (433579935096).

Almost surely, 2^{20123433432102} is an apocalyptic number.

20123433432102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20123433432102 is an abundant number, since it is smaller than the sum of its proper divisors (35374798260186).

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

20123433432102 is a wasteful number, since it uses less digits than its factorization.

20123433432102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90555614.

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 2012343 and 3432102, that added together give a palindrome (5444445).

The spelling of 20123433432102 in words is "twenty trillion, one hundred twenty-three billion, four hundred thirty-three million, four hundred thirty-two thousand, one hundred two".