20120201002 has 64 divisors (see below), whose sum is σ = 34790446080. Its totient is φ = 8642649600.

The previous prime is 20120200973. The next prime is 20120201047. The reversal of 20120201002 is 20010202102.

It is a self number, because there is not a number n which added to its sum of digits gives 20120201002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8420824 + ... + 8423212.

It is an arithmetic number, because the mean of its divisors is an integer number (543600720).

Almost surely, 2^20120201002 is an apocalyptic number.

20120201002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20120201002 is a deficient number, since it is larger than the sum of its proper divisors (14670245078).

20120201002 is a wasteful number, since it uses less digits than its factorization.

20120201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20120201002 its reverse (20010202102), we get a palindrome (40130403104).

It can be divided in two parts, 20120 and 201002, that added together give a palindrome (221122).

The spelling of 20120201002 in words is "twenty billion, one hundred twenty million, two hundred one thousand, two".