1995732102 has 128 divisors (see below), whose sum is σ = 5245599744. Its totient is φ = 491194368.

The previous prime is 1995732091. The next prime is 1995732161. The reversal of 1995732102 is 2012375991.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1177968 + ... + 1179660.

It is an arithmetic number, because the mean of its divisors is an integer number (40981248).

Almost surely, 2^1995732102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1995732102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2622799872).

1995732102 is an abundant number, since it is smaller than the sum of its proper divisors (3249867642).

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

1995732102 is a wasteful number, since it uses less digits than its factorization.

1995732102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1995732102 is about 44673.6175163821. The cubic root of 1995732102 is about 1259.0242092331.

The spelling of 1995732102 in words is "one billion, nine hundred ninety-five million, seven hundred thirty-two thousand, one hundred two".