200012102020 has 24 divisors (see below), whose sum is σ = 420421335768. Its totient is φ = 79929427200.

The previous prime is 200012102011. The next prime is 200012102029. The reversal of 200012102020 is 20201210002.

It is an interprime number because it is at equal distance from previous prime (200012102011) and next prime (200012102029).

It can be written as a sum of positive squares in 4 ways, for example, as 74202849604 + 125809252416 = 272402^2 + 354696^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200012101988 and 200012102006.

It is not an unprimeable number, because it can be changed into a prime (200012102029) 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, 4691601 + ... + 4734040.

It is an arithmetic number, because the mean of its divisors is an integer number (17517555657).

Almost surely, 2^200012102020 is an apocalyptic number.

200012102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012102020 is an abundant number, since it is smaller than the sum of its proper divisors (220409233748).

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

200012102020 is a wasteful number, since it uses less digits than its factorization.

200012102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426711 (or 9426709 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200012102020 its reverse (20201210002), we get a palindrome (220213312022).

The spelling of 200012102020 in words is "two hundred billion, twelve million, one hundred two thousand, twenty".