19996002 has 24 divisors (see below), whose sum is σ = 46657884. Its totient is φ = 6152544.

The previous prime is 19996001. The next prime is 19996003. The reversal of 19996002 is 20069991.

It is an interprime number because it is at equal distance from previous prime (19996001) and next prime (19996003).

It can be written as a sum of positive squares in 2 ways, for example, as 19900521 + 95481 = 4461^2 + 309^2 .

It is not an unprimeable number, because it can be changed into a prime (19996001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 42493 + ... + 42960.

Almost surely, 2^19996002 is an apocalyptic number.

19996002 is an abundant number, since it is smaller than the sum of its proper divisors (26661882).

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

19996002 is a wasteful number, since it uses less digits than its factorization.

19996002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85474 (or 85471 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 19996002 is about 4471.6889426703. The cubic root of 19996002 is about 271.4236733848.

It can be divided in two parts, 1999 and 6002, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 19996002 in words is "nineteen million, nine hundred ninety-six thousand, two".