20200000002 has 192 divisors, whose sum is σ = 52635671424. Its totient is φ = 5118059520.

The previous prime is 20199999991. The next prime is 20200000013. The reversal of 20200000002 is 20000000202.

It is an interprime number because it is at equal distance from previous prime (20199999991) and next prime (20200000013).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 11736502 + ... + 11738222.

It is an arithmetic number, because the mean of its divisors is an integer number (274144122).

Almost surely, 2^20200000002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200000002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26317835712).

20200000002 is an abundant number, since it is smaller than the sum of its proper divisors (32435671422).

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

20200000002 is a wasteful number, since it uses less digits than its factorization.

20200000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

Adding to 20200000002 its reverse (20000000202), we get a palindrome (40200000204).

The spelling of 20200000002 in words is "twenty billion, two hundred million, two", and thus it is an aban number.