20212020203 has 8 divisors (see below), whose sum is σ = 21545126400. Its totient is φ = 18905845608.

The previous prime is 20212020133. The next prime is 20212020217. The reversal of 20212020203 is 30202021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20212020203 - 2¹⁶ = 20211954667 is a prime.

It is a super-2 number, since 2×20212020203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212020233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6731351 + ... + 6734352.

It is an arithmetic number, because the mean of its divisors is an integer number (2693140800).

Almost surely, 2^20212020203 is an apocalyptic number.

20212020203 is a deficient number, since it is larger than the sum of its proper divisors (1333106197).

20212020203 is a wasteful number, since it uses less digits than its factorization.

20212020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13465801.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20212020203 its reverse (30202021202), we get a palindrome (50414041405).

Subtracting 20212020203 from its reverse (30202021202), we obtain a palindrome (9990000999).

The spelling of 20212020203 in words is "twenty billion, two hundred twelve million, twenty thousand, two hundred three".