20211001020010 has 24 divisors (see below), whose sum is σ = 38395303329636. Its totient is φ = 7658905648320.

The previous prime is 20211001019977. The next prime is 20211001020019. The reversal of 20211001020010 is 1002010011202.

It can be written as a sum of positive squares in 2 ways, for example, as 20038667272849 + 172333747161 = 4476457^2 + 415131^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20211001020019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2799304011 + ... + 2799311230.

Almost surely, 2^{20211001020010} is an apocalyptic number.

20211001020010 is a deficient number, since it is larger than the sum of its proper divisors (18184302309626).

20211001020010 is a wasteful number, since it uses less digits than its factorization.

20211001020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5598615286 (or 5598615267 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20211001020010 its reverse (1002010011202), we get a palindrome (21213011031212).

The spelling of 20211001020010 in words is "twenty trillion, two hundred eleven billion, one million, twenty thousand, ten".