20133654413 has 12 divisors (see below), whose sum is σ = 21010160124. Its totient is φ = 19291176000.

The previous prime is 20133654407. The next prime is 20133654427. The reversal of 20133654413 is 31445633102.

It can be written as a sum of positive squares in 2 ways, for example, as 14903038084 + 5230616329 = 122078^2 + 72323^2 .

It is not a de Polignac number, because 20133654413 - 2⁸ = 20133654157 is a prime.

It is a super-2 number, since 2×20133654413² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20133654413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133653413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6656 + ... + 200777.

It is an arithmetic number, because the mean of its divisors is an integer number (1750846677).

Almost surely, 2^20133654413 is an apocalyptic number.

It is an amenable number.

20133654413 is a deficient number, since it is larger than the sum of its proper divisors (876505711).

20133654413 is a wasteful number, since it uses less digits than its factorization.

20133654413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207596 (or 207565 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 20133654413 in words is "twenty billion, one hundred thirty-three million, six hundred fifty-four thousand, four hundred thirteen".