20533201045101 has 6 divisors (see below), whose sum is σ = 29659068176270. Its totient is φ = 13688800696728.

The previous prime is 20533201045087. The next prime is 20533201045109. The reversal of 20533201045101 is 10154010233502.

20533201045101 is a `hidden beast` number, since 2 + 0 + 5 + 3 + 3 + 201 + 0 + 451 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19058856266025 + 1474344779076 = 4365645^2 + 1214226^2 .

It is not a de Polignac number, because 20533201045101 - 2³⁵ = 20498841306733 is a prime.

It is a super-2 number, since 2×20533201045101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533201045109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1140733391386 + ... + 1140733391403.

Almost surely, 2^{20533201045101} is an apocalyptic number.

It is an amenable number.

20533201045101 is a deficient number, since it is larger than the sum of its proper divisors (9125867131169).

20533201045101 is a wasteful number, since it uses less digits than its factorization.

20533201045101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281466782795 (or 2281466782792 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 20533201045101 its reverse (10154010233502), we get a palindrome (30687211278603).

The spelling of 20533201045101 in words is "twenty trillion, five hundred thirty-three billion, two hundred one million, forty-five thousand, one hundred one".