20102021010210 has 64 divisors (see below), whose sum is σ = 51084861172992. Its totient is φ = 5045007845376.

The previous prime is 20102021010191. The next prime is 20102021010241. The reversal of 20102021010210 is 1201012020102.

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 31 ways as a sum of consecutive naturals, for example, 11943814 + ... + 13522526.

It is an arithmetic number, because the mean of its divisors is an integer number (798200955828).

Almost surely, 2^{20102021010210} is an apocalyptic number.

20102021010210 is an abundant number, since it is smaller than the sum of its proper divisors (30982840162782).

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

20102021010210 is a wasteful number, since it uses less digits than its factorization.

20102021010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603707.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20102021010210 its reverse (1201012020102), we get a palindrome (21303033030312).

The spelling of 20102021010210 in words is "twenty trillion, one hundred two billion, twenty-one million, ten thousand, two hundred ten".