20203021212204 has 48 divisors (see below), whose sum is σ = 48970983412736. Its totient is φ = 6475593384000.

The previous prime is 20203021212203. The next prime is 20203021212287. The reversal of 20203021212204 is 40221212030202.

It is a super-2 number, since 2×20203021212204² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20203021212203) 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, 172900822 + ... + 173017629.

Almost surely, 2^{20203021212204} is an apocalyptic number.

It is an amenable number.

20203021212204 is an abundant number, since it is smaller than the sum of its proper divisors (28767962200532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20203021212204 is a wasteful number, since it uses less digits than its factorization.

20203021212204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345918646 (or 345918644 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20203021212204 its reverse (40221212030202), we get a palindrome (60424233242406).

The spelling of 20203021212204 in words is "twenty trillion, two hundred three billion, twenty-one million, two hundred twelve thousand, two hundred four".