1676402020 has 12 divisors (see below), whose sum is σ = 3520444284. Its totient is φ = 670560800.

The previous prime is 1676401967. The next prime is 1676402027. The reversal of 1676402020 is 202046761.

It can be written as a sum of positive squares in 2 ways, for example, as 284664384 + 1391737636 = 16872^2 + 37306^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1676402020.

It is not an unprimeable number, because it can be changed into a prime (1676402027) by changing a digit.

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, 41910031 + ... + 41910070.

It is an arithmetic number, because the mean of its divisors is an integer number (293370357).

Almost surely, 2^1676402020 is an apocalyptic number.

1676402020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1676402020 is an abundant number, since it is smaller than the sum of its proper divisors (1844042264).

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

1676402020 is a wasteful number, since it uses less digits than its factorization.

1676402020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83820110 (or 83820108 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1676402020 is about 40943.8886770663. Note that the first 3 decimals coincide. The cubic root of 1676402020 is about 1187.9351287383.

Adding to 1676402020 its reverse (202046761), we get a palindrome (1878448781).

The spelling of 1676402020 in words is "one billion, six hundred seventy-six million, four hundred two thousand, twenty".