20210001201002 has 16 divisors (see below), whose sum is σ = 31467378617640. Its totient is φ = 9723253482432.

The previous prime is 20210001200989. The next prime is 20210001201011. The reversal of 20210001201002 is 20010210001202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17767497952801 + 2442503248201 = 4215151^2 + 1562851^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594604673 + ... + 594638660.

Almost surely, 2^{20210001201002} is an apocalyptic number.

20210001201002 is a deficient number, since it is larger than the sum of its proper divisors (11257377416638).

20210001201002 is a wasteful number, since it uses less digits than its factorization.

20210001201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189243657.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20210001201002 its reverse (20010210001202), we get a palindrome (40220211202204).

The spelling of 20210001201002 in words is "twenty trillion, two hundred ten billion, one million, two hundred one thousand, two".