20010210020002 has 4 divisors (see below), whose sum is σ = 30015315030006. Its totient is φ = 10005105010000.

The previous prime is 20010210019993. The next prime is 20010210020077. The reversal of 20010210020002 is 20002001201002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19973846962521 + 36363057481 = 4469211^2 + 190691^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002552504999 + ... + 5002552505002.

Almost surely, 2^{20010210020002} is an apocalyptic number.

20010210020002 is a deficient number, since it is larger than the sum of its proper divisors (10005105010004).

20010210020002 is a wasteful number, since it uses less digits than its factorization.

20010210020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005105010003.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20010210020002 its reverse (20002001201002), we get a palindrome (40012211221004).

It can be divided in two parts, 20010 and 210020002, that added together give a palindrome (210040012).

The spelling of 20010210020002 in words is "twenty trillion, ten billion, two hundred ten million, twenty thousand, two".