20202018700 has 18 divisors (see below), whose sum is σ = 43838380796. Its totient is φ = 8080807440.

The previous prime is 20202018649. The next prime is 20202018701. The reversal of 20202018700 is 781020202.

It is not an unprimeable number, because it can be changed into a prime (20202018701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101009994 + ... + 101010193.

Almost surely, 2^20202018700 is an apocalyptic number.

20202018700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202018700 is an abundant number, since it is smaller than the sum of its proper divisors (23636362096).

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

20202018700 is a wasteful number, since it uses less digits than its factorization.

20202018700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202020201 (or 202020194 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 20202018700 its reverse (781020202), we get a palindrome (20983038902).

The spelling of 20202018700 in words is "twenty billion, two hundred two million, eighteen thousand, seven hundred".