20210201002 has 8 divisors (see below), whose sum is σ = 30320621316. Its totient is φ = 10103327232.

The previous prime is 20210200987. The next prime is 20210201009. The reversal of 20210201002 is 20010201202.

It can be written as a sum of positive squares in 2 ways, for example, as 17331985801 + 2878215201 = 131651^2 + 53649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20210201002.

It is not an unprimeable number, because it can be changed into a prime (20210201009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872343 + ... + 895210.

Almost surely, 2^20210201002 is an apocalyptic number.

20210201002 is a deficient number, since it is larger than the sum of its proper divisors (10110420314).

20210201002 is a wasteful number, since it uses less digits than its factorization.

20210201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773272.

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

Adding to 20210201002 its reverse (20010201202), we get a palindrome (40220402204).

The spelling of 20210201002 in words is "twenty billion, two hundred ten million, two hundred one thousand, two".