20210200101 has 24 divisors (see below), whose sum is σ = 35929246080. Its totient is φ = 10660324896.

The previous prime is 20210200099. The next prime is 20210200103. The reversal of 20210200101 is 10100201202.

It is an interprime number because it is at equal distance from previous prime (20210200099) and next prime (20210200103).

It is not a de Polignac number, because 20210200101 - 2¹ = 20210200099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210200103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12337521 + ... + 12339158.

It is an arithmetic number, because the mean of its divisors is an integer number (1497051920).

Almost surely, 2^20210200101 is an apocalyptic number.

20210200101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20210200101 is a deficient number, since it is larger than the sum of its proper divisors (15719045979).

20210200101 is a wasteful number, since it uses less digits than its factorization.

20210200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24676705 (or 24676702 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20210200101 its reverse (10100201202), we get a palindrome (30310401303).

The spelling of 20210200101 in words is "twenty billion, two hundred ten million, two hundred thousand, one hundred one".