20010100102 has 16 divisors (see below), whose sum is σ = 30908231424. Its totient is φ = 9709912000.

The previous prime is 20010100093. The next prime is 20010100111. The reversal of 20010100102 is 20100101002.

It is an interprime number because it is at equal distance from previous prime (20010100093) and next prime (20010100111).

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, 623149 + ... + 654472.

It is an arithmetic number, because the mean of its divisors is an integer number (1931764464).

Almost surely, 2^20010100102 is an apocalyptic number.

20010100102 is a deficient number, since it is larger than the sum of its proper divisors (10898131322).

20010100102 is a wasteful number, since it uses less digits than its factorization.

20010100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277855.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20010100102 its reverse (20100101002), we get a palindrome (40110201104).

The spelling of 20010100102 in words is "twenty billion, ten million, one hundred thousand, one hundred two".