20030010145433 has 4 divisors (see below), whose sum is σ = 20228327077668. Its totient is φ = 19831693213200.

The previous prime is 20030010145363. The next prime is 20030010145489. The reversal of 20030010145433 is 33454101003002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19797943462144 + 232066683289 = 4449488^2 + 481733^2 .

It is a cyclic number.

It is not a de Polignac number, because 20030010145433 - 2²⁰ = 20030009096857 is a prime.

It is a super-2 number, since 2×20030010145433² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20030010142433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99158465966 + ... + 99158466167.

It is an arithmetic number, because the mean of its divisors is an integer number (5057081769417).

Almost surely, 2^{20030010145433} is an apocalyptic number.

It is an amenable number.

20030010145433 is a deficient number, since it is larger than the sum of its proper divisors (198316932235).

20030010145433 is a wasteful number, since it uses less digits than its factorization.

20030010145433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198316932234.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20030010145433 its reverse (33454101003002), we get a palindrome (53484111148435).

The spelling of 20030010145433 in words is "twenty trillion, thirty billion, ten million, one hundred forty-five thousand, four hundred thirty-three".