20351133542045 has 8 divisors (see below), whose sum is σ = 24421481013600. Its totient is φ = 16280826324880.

The previous prime is 20351133542011. The next prime is 20351133542057. The reversal of 20351133542045 is 54024533115302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20351133542045 - 2³² = 20346838574749 is a prime.

It is a super-2 number, since 2×20351133542045² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8939951 + ... + 10982940.

It is an arithmetic number, because the mean of its divisors is an integer number (3052685126700).

Almost surely, 2^{20351133542045} is an apocalyptic number.

It is an amenable number.

20351133542045 is a deficient number, since it is larger than the sum of its proper divisors (4070347471555).

20351133542045 is a wasteful number, since it uses less digits than its factorization.

20351133542045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20127195.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 20351133542045 its reverse (54024533115302), we get a palindrome (74375666657347).

The spelling of 20351133542045 in words is "twenty trillion, three hundred fifty-one billion, one hundred thirty-three million, five hundred forty-two thousand, forty-five".