20021202010203 has 4 divisors (see below), whose sum is σ = 26694936013608. Its totient is φ = 13347468006800.

The previous prime is 20021202010193. The next prime is 20021202010211. The reversal of 20021202010203 is 30201020212002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20021202010203 - 2³⁰ = 20020128268379 is a prime.

It is a super-2 number, since 2×20021202010203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20021202010903) 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, 3336867001698 + ... + 3336867001703.

It is an arithmetic number, because the mean of its divisors is an integer number (6673734003402).

Almost surely, 2^{20021202010203} is an apocalyptic number.

20021202010203 is a deficient number, since it is larger than the sum of its proper divisors (6673734003405).

20021202010203 is an equidigital number, since it uses as much as digits as its factorization.

20021202010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673734003404.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20021202010203 its reverse (30201020212002), we get a palindrome (50222222222205).

The spelling of 20021202010203 in words is "twenty trillion, twenty-one billion, two hundred two million, ten thousand, two hundred three".