10020020001 has 8 divisors (see below), whose sum is σ = 13482596160. Its totient is φ = 6618728592.

The previous prime is 10020019969. The next prime is 10020020009. The reversal of 10020020001 is 10002002001.

It is a happy number.

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

It is not a de Polignac number, because 10020020001 - 2⁵ = 10020019969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10020020009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15320805 + ... + 15321458.

It is an arithmetic number, because the mean of its divisors is an integer number (1685324520).

Almost surely, 2^10020020001 is an apocalyptic number.

It is an amenable number.

10020020001 is a deficient number, since it is larger than the sum of its proper divisors (3462576159).

10020020001 is a wasteful number, since it uses less digits than its factorization.

10020020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30642375.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 10020020001 its reverse (10002002001), we get a palindrome (20022022002).

It can be divided in two parts, 1002002000 and 1, that added together give a palindrome (1002002001).

The spelling of 10020020001 in words is "ten billion, twenty million, twenty thousand, one".