20053400531 has 8 divisors (see below), whose sum is σ = 20669221728. Its totient is φ = 19446840000.

The previous prime is 20053400519. The next prime is 20053400533. The reversal of 20053400531 is 13500435002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20053400531 - 2²⁶ = 19986291667 is a prime.

It is a super-2 number, since 2×20053400531² (a number of 21 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 = 20053400497 and 20053400506.

It is not an unprimeable number, because it can be changed into a prime (20053400533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310770 + ... + 2319431.

It is an arithmetic number, because the mean of its divisors is an integer number (2583652716).

Almost surely, 2^20053400531 is an apocalyptic number.

20053400531 is a deficient number, since it is larger than the sum of its proper divisors (615821197).

20053400531 is an equidigital number, since it uses as much as digits as its factorization.

20053400531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630333.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 20053400531 its reverse (13500435002), we get a palindrome (33553835533).

The spelling of 20053400531 in words is "twenty billion, fifty-three million, four hundred thousand, five hundred thirty-one".