20019392002 has 16 divisors (see below), whose sum is σ = 30691809792. Its totient is φ = 9791177200.

The previous prime is 20019391991. The next prime is 20019392059. The reversal of 20019392002 is 20029391002.

It is a super-2 number, since 2×20019392002² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 580258 + ... + 613789.

It is an arithmetic number, because the mean of its divisors is an integer number (1918238112).

Almost surely, 2^20019392002 is an apocalyptic number.

20019392002 is a deficient number, since it is larger than the sum of its proper divisors (10672417790).

20019392002 is a wasteful number, since it uses less digits than its factorization.

20019392002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194233.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 20019392002 in words is "twenty billion, nineteen million, three hundred ninety-two thousand, two".