9912020002 has 8 divisors (see below), whose sum is σ = 14923302300. Its totient is φ = 4937585904.

The previous prime is 9912019987. The next prime is 9912020023. The reversal of 9912020002 is 2000202199.

It can be written as a sum of positive squares in 2 ways, for example, as 6932061081 + 2979958921 = 83259^2 + 54589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9211377 + ... + 9212452.

Almost surely, 2^9912020002 is an apocalyptic number.

9912020002 is a deficient number, since it is larger than the sum of its proper divisors (5011282298).

9912020002 is a wasteful number, since it uses less digits than its factorization.

9912020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18424100.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 9912020002 is about 99559.1281701482. The cubic root of 9912020002 is about 2148.0978309854.

The spelling of 9912020002 in words is "nine billion, nine hundred twelve million, twenty thousand, two".