340020020 has 24 divisors (see below), whose sum is σ = 714420000. Its totient is φ = 135936032.

The previous prime is 340020019. The next prime is 340020089. The reversal of 340020020 is 20020043.

It is a super-2 number, since 2×340020020² = 231227228001600800, which contains 22 as substring.

340020020 is a modest number, since divided by 20020 gives 340 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 340019983 and 340020010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50831 + ... + 57129.

It is an arithmetic number, because the mean of its divisors is an integer number (29767500).

Almost surely, 2^340020020 is an apocalyptic number.

It is an amenable number.

340020020 is an abundant number, since it is smaller than the sum of its proper divisors (374399980).

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

340020020 is a wasteful number, since it uses less digits than its factorization.

340020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9007 (or 9005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 340020020 is about 18439.6317750654. The cubic root of 340020020 is about 697.9669034643.

Adding to 340020020 its reverse (20020043), we get a palindrome (360040063).

The spelling of 340020020 in words is "three hundred forty million, twenty thousand, twenty".