7902020002 has 8 divisors (see below), whose sum is σ = 12550267116. Its totient is φ = 3718597632.

The previous prime is 7902019997. The next prime is 7902020041. The reversal of 7902020002 is 2000202097.

It can be written as a sum of positive squares in 2 ways, for example, as 7468589241 + 433430761 = 86421^2 + 20819^2 .

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

It is a super-2 number, since 2×7902020002² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116206143 + ... + 116206210.

Almost surely, 2^7902020002 is an apocalyptic number.

7902020002 is a deficient number, since it is larger than the sum of its proper divisors (4648247114).

7902020002 is a wasteful number, since it uses less digits than its factorization.

7902020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232412372.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 7902020002 is about 88893.3068459038. The cubic root of 7902020002 is about 1991.8014378794.

Adding to 7902020002 its reverse (2000202097), we get a palindrome (9902222099).

The spelling of 7902020002 in words is "seven billion, nine hundred two million, twenty thousand, two".