20210101206 has 16 divisors (see below), whose sum is σ = 40459419648. Its totient is φ = 6730164200.

The previous prime is 20210101199. The next prime is 20210101217. The reversal of 20210101206 is 60210101202.

It is a congruent number.

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, 1627350 + ... + 1639721.

It is an arithmetic number, because the mean of its divisors is an integer number (2528713728).

Almost surely, 2^20210101206 is an apocalyptic number.

20210101206 is an abundant number, since it is smaller than the sum of its proper divisors (20249318442).

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

20210101206 is a wasteful number, since it uses less digits than its factorization.

20210101206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268107.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20210101206 its reverse (60210101202), we get a palindrome (80420202408).

The spelling of 20210101206 in words is "twenty billion, two hundred ten million, one hundred one thousand, two hundred six".