20020200202 has 4 divisors (see below), whose sum is σ = 30030300306. Its totient is φ = 10010100100.

The previous prime is 20020200139. The next prime is 20020200217. The reversal of 20020200202 is 20200202002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20200202002 = 2 ⋅10100101001.

It can be written as a sum of positive squares in only one way, i.e., 12318558121 + 7701642081 = 110989^2 + 87759^2 .

It is a super-2 number, since 2×20020200202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005050049 + ... + 5005050052.

Almost surely, 2^20020200202 is an apocalyptic number.

20020200202 is a deficient number, since it is larger than the sum of its proper divisors (10010100104).

20020200202 is a wasteful number, since it uses less digits than its factorization.

20020200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010100103.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20020200202 its reverse (20200202002), we get a palindrome (40220402204).

The spelling of 20020200202 in words is "twenty billion, twenty million, two hundred thousand, two hundred two".