1820206467102 has 16 divisors (see below), whose sum is σ = 3641766783120. Its totient is φ = 606509847552.

The previous prime is 1820206467077. The next prime is 1820206467103. The reversal of 1820206467102 is 2017646020281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1820206467103) 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 7 ways as a sum of consecutive naturals, for example, 56392893 + ... + 56425160.

It is an arithmetic number, because the mean of its divisors is an integer number (227610423945).

Almost surely, 2^{1820206467102} is an apocalyptic number.

1820206467102 is an abundant number, since it is smaller than the sum of its proper divisors (1821560316018).

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

1820206467102 is a wasteful number, since it uses less digits than its factorization.

1820206467102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112820747.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 1820206467102 in words is "one trillion, eight hundred twenty billion, two hundred six million, four hundred sixty-seven thousand, one hundred two".