20003101122544 has 40 divisors (see below), whose sum is σ = 39847776454080. Its totient is φ = 9721604275200.

The previous prime is 20003101122541. The next prime is 20003101122593. The reversal of 20003101122544 is 44522110130002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003101122541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56081509 + ... + 56437060.

It is an arithmetic number, because the mean of its divisors is an integer number (996194411352).

Almost surely, 2^{20003101122544} is an apocalyptic number.

It is an amenable number.

20003101122544 is a deficient number, since it is larger than the sum of its proper divisors (19844675331536).

20003101122544 is a wasteful number, since it uses less digits than its factorization.

20003101122544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112518889 (or 112518883 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 20003101122544 its reverse (44522110130002), we get a palindrome (64525211252546).

The spelling of 20003101122544 in words is "twenty trillion, three billion, one hundred one million, one hundred twenty-two thousand, five hundred forty-four".