1980946102 has 16 divisors (see below), whose sum is σ = 3057531840. Its totient is φ = 962026632.

The previous prime is 1980946067. The next prime is 1980946103. The reversal of 1980946102 is 2016490891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980946103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48948 + ... + 79735.

It is an arithmetic number, because the mean of its divisors is an integer number (191095740).

Almost surely, 2^1980946102 is an apocalyptic number.

1980946102 is a deficient number, since it is larger than the sum of its proper divisors (1076585738).

1980946102 is a wasteful number, since it uses less digits than its factorization.

1980946102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128907.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1980946102 is about 44507.8206835608. The cubic root of 1980946102 is about 1255.9072083632.

The spelling of 1980946102 in words is "one billion, nine hundred eighty million, nine hundred forty-six thousand, one hundred two".