20103521113134 has 64 divisors (see below), whose sum is σ = 47033594784000. Its totient is φ = 6347425407840.

The previous prime is 20103521113133. The next prime is 20103521113147. The reversal of 20103521113134 is 43131112530102.

20103521113134 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 3 + 521 + 1 + 1 + 3 + 134 = 666.

It is a super-2 number, since 2×20103521113134² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20103521113098 and 20103521113107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103521113133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4560769 + ... + 7810739.

It is an arithmetic number, because the mean of its divisors is an integer number (734899918500).

Almost surely, 2^{20103521113134} is an apocalyptic number.

20103521113134 is an abundant number, since it is smaller than the sum of its proper divisors (26930073670866).

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

20103521113134 is a wasteful number, since it uses less digits than its factorization.

20103521113134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256030 (or 3256024 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 20103521113134 its reverse (43131112530102), we get a palindrome (63234633643236).

The spelling of 20103521113134 in words is "twenty trillion, one hundred three billion, five hundred twenty-one million, one hundred thirteen thousand, one hundred thirty-four".