20010201982 has 8 divisors (see below), whose sum is σ = 30036762000. Its totient is φ = 9997947984.

The previous prime is 20010201971. The next prime is 20010201983. The reversal of 20010201982 is 28910201002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010201983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3573007 + ... + 3578602.

It is an arithmetic number, because the mean of its divisors is an integer number (3754595250).

Almost surely, 2^20010201982 is an apocalyptic number.

20010201982 is a deficient number, since it is larger than the sum of its proper divisors (10026560018).

20010201982 is a wasteful number, since it uses less digits than its factorization.

20010201982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153010.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 20010201982 its reverse (28910201002), we get a palindrome (48920402984).

It can be divided in two parts, 2001020 and 1982, that added together give a palindrome (2003002).

The spelling of 20010201982 in words is "twenty billion, ten million, two hundred one thousand, nine hundred eighty-two".