20233035103021 has 4 divisors (see below), whose sum is σ = 21789422418652. Its totient is φ = 18676647787392.

The previous prime is 20233035102997. The next prime is 20233035103027. The reversal of 20233035103021 is 12030153033202.

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 2985534736900 + 17247500366121 = 1727870^2 + 4153011^2 .

It is a cyclic number.

It is not a de Polignac number, because 20233035103021 - 2¹³ = 20233035094829 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 (20233035103027) 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, 778193657796 + ... + 778193657821.

It is an arithmetic number, because the mean of its divisors is an integer number (5447355604663).

Almost surely, 2^{20233035103021} is an apocalyptic number.

It is an amenable number.

20233035103021 is a deficient number, since it is larger than the sum of its proper divisors (1556387315631).

20233035103021 is a wasteful number, since it uses less digits than its factorization.

20233035103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556387315630.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 20233035103021 its reverse (12030153033202), we get a palindrome (32263188136223).

The spelling of 20233035103021 in words is "twenty trillion, two hundred thirty-three billion, thirty-five million, one hundred three thousand, twenty-one".