20300153244511 has 16 divisors (see below), whose sum is σ = 24605745274368. Its totient is φ = 16370757928800.

The previous prime is 20300153244499. The next prime is 20300153244563. The reversal of 20300153244511 is 11544235100302.

It is not a de Polignac number, because 20300153244511 - 2²⁷ = 20300019026783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300153244571) 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, 1033497625 + ... + 1033517266.

It is an arithmetic number, because the mean of its divisors is an integer number (1537859079648).

Almost surely, 2^{20300153244511} is an apocalyptic number.

20300153244511 is a deficient number, since it is larger than the sum of its proper divisors (4305592029857).

20300153244511 is a wasteful number, since it uses less digits than its factorization.

20300153244511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067014982.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 20300153244511 its reverse (11544235100302), we get a palindrome (31844388344813).

The spelling of 20300153244511 in words is "twenty trillion, three hundred billion, one hundred fifty-three million, two hundred forty-four thousand, five hundred eleven".