20034023132550 has 288 divisors, whose sum is σ = 59220552704544. Its totient is φ = 4466402304000.

The previous prime is 20034023132521. The next prime is 20034023132569. The reversal of 20034023132550 is 5523132043002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2037422434 + ... + 2037432266.

It is an arithmetic number, because the mean of its divisors is an integer number (205626919113).

Almost surely, 2^{20034023132550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20034023132550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29610276352272).

20034023132550 is an abundant number, since it is smaller than the sum of its proper divisors (39186529571994).

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

20034023132550 is a wasteful number, since it uses less digits than its factorization.

20034023132550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664 (or 16652 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 20034023132550 its reverse (5523132043002), we get a palindrome (25557155175552).

The spelling of 20034023132550 in words is "twenty trillion, thirty-four billion, twenty-three million, one hundred thirty-two thousand, five hundred fifty".