20010201102 has 48 divisors (see below), whose sum is σ = 45562785840. Its totient is φ = 6338860416.

The previous prime is 20010201037. The next prime is 20010201121. The reversal of 20010201102 is 20110201002.

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 23 ways as a sum of consecutive naturals, for example, 320727 + ... + 378002.

It is an arithmetic number, because the mean of its divisors is an integer number (949224705).

Almost surely, 2^20010201102 is an apocalyptic number.

20010201102 is an abundant number, since it is smaller than the sum of its proper divisors (25552584738).

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

20010201102 is a wasteful number, since it uses less digits than its factorization.

20010201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698817 (or 698814 counting only the distinct ones).

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

Adding to 20010201102 its reverse (20110201002), we get a palindrome (40120402104).

The spelling of 20010201102 in words is "twenty billion, ten million, two hundred one thousand, one hundred two".