6700212020 has 12 divisors (see below), whose sum is σ = 14070445284. Its totient is φ = 2680084800.

The previous prime is 6700212019. The next prime is 6700212031. The reversal of 6700212020 is 202120076.

It can be written as a sum of positive squares in 2 ways, for example, as 851939344 + 5848272676 = 29188^2 + 76474^2 .

It is a super-2 number, since 2×6700212020² = 89785682225904960800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 335010601 = 6700212020 / (6 + 7 + 0 + 0 + 2 + 1 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 6700211983 and 6700212001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167505281 + ... + 167505320.

It is an arithmetic number, because the mean of its divisors is an integer number (1172537107).

Almost surely, 2^6700212020 is an apocalyptic number.

It is an amenable number.

6700212020 is an abundant number, since it is smaller than the sum of its proper divisors (7370233264).

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

6700212020 is a wasteful number, since it uses less digits than its factorization.

6700212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335010610 (or 335010608 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 6700212020 is about 81854.8228267584. The cubic root of 6700212020 is about 1885.2235164268.

Adding to 6700212020 its reverse (202120076), we get a palindrome (6902332096).

The spelling of 6700212020 in words is "six billion, seven hundred million, two hundred twelve thousand, twenty".