20001040210 has 16 divisors (see below), whose sum is σ = 36839126016. Its totient is φ = 7814359728.

The previous prime is 20001040207. The next prime is 20001040211. The reversal of 20001040210 is 1204010002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20001040211) 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, 23256594 + ... + 23257453.

It is an arithmetic number, because the mean of its divisors is an integer number (2302445376).

Almost surely, 2^20001040210 is an apocalyptic number.

20001040210 is a deficient number, since it is larger than the sum of its proper divisors (16838085806).

20001040210 is a wasteful number, since it uses less digits than its factorization.

20001040210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46514097.

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

Adding to 20001040210 its reverse (1204010002), we get a palindrome (21205050212).

The spelling of 20001040210 in words is "twenty billion, one million, forty thousand, two hundred ten".