20200101102 has 24 divisors (see below), whose sum is σ = 43773413736. Its totient is φ = 6732362736.

The previous prime is 20200101071. The next prime is 20200101143. The reversal of 20200101102 is 20110100202.

It is a super-2 number, since 2×20200101102² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45753 + ... + 206139.

It is an arithmetic number, because the mean of its divisors is an integer number (1823892239).

Almost surely, 2^20200101102 is an apocalyptic number.

20200101102 is an abundant number, since it is smaller than the sum of its proper divisors (23573312634).

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

20200101102 is a wasteful number, since it uses less digits than its factorization.

20200101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167392 (or 167389 counting only the distinct ones).

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

Adding to 20200101102 its reverse (20110100202), we get a palindrome (40310201304).

The spelling of 20200101102 in words is "twenty billion, two hundred million, one hundred one thousand, one hundred two".