20002001802 has 8 divisors (see below), whose sum is σ = 40004003616. Its totient is φ = 6667333932.

The previous prime is 20002001783. The next prime is 20002001821. The reversal of 20002001802 is 20810020002.

It is an interprime number because it is at equal distance from previous prime (20002001783) and next prime (20002001821).

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

20002001802 is an admirable number.

It is a super-2 number, since 2×20002001802² (a number of 21 digits) contains 22 as substring.

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, 1666833478 + ... + 1666833489.

It is an arithmetic number, because the mean of its divisors is an integer number (5000500452).

Almost surely, 2^20002001802 is an apocalyptic number.

20002001802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20002001802 is a wasteful number, since it uses less digits than its factorization.

20002001802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333666972.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20002001802 its reverse (20810020002), we get a palindrome (40812021804).

It can be divided in two parts, 2000200 and 1802, that added together give a palindrome (2002002).

The spelling of 20002001802 in words is "twenty billion, two million, one thousand, eight hundred two".