20133300121031 has 16 divisors (see below), whose sum is σ = 20518249656960. Its totient is φ = 19753145000160.

The previous prime is 20133300121027. The next prime is 20133300121043. The reversal of 20133300121031 is 13012100333102.

It is a cyclic number.

It is not a de Polignac number, because 20133300121031 - 2² = 20133300121027 is a prime.

It is a super-2 number, since 2×20133300121031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133300120994 and 20133300121012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133300121631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575176 + ... + 6538178.

It is an arithmetic number, because the mean of its divisors is an integer number (1282390603560).

Almost surely, 2^{20133300121031} is an apocalyptic number.

20133300121031 is a deficient number, since it is larger than the sum of its proper divisors (384949535929).

20133300121031 is a wasteful number, since it uses less digits than its factorization.

20133300121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963486.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20133300121031 its reverse (13012100333102), we get a palindrome (33145400454133).

The spelling of 20133300121031 in words is "twenty trillion, one hundred thirty-three billion, three hundred million, one hundred twenty-one thousand, thirty-one".