20401012330 has 16 divisors (see below), whose sum is σ = 37344227040. Its totient is φ = 8022092752.

The previous prime is 20401012283. The next prime is 20401012339. The reversal of 20401012330 is 3321010402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20401012339) 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, 17288404 + ... + 17289583.

It is an arithmetic number, because the mean of its divisors is an integer number (2334014190).

Almost surely, 2^20401012330 is an apocalyptic number.

20401012330 is a deficient number, since it is larger than the sum of its proper divisors (16943214710).

20401012330 is a wasteful number, since it uses less digits than its factorization.

20401012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34578053.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20401012330 its reverse (3321010402), we get a palindrome (23722022732).

The spelling of 20401012330 in words is "twenty billion, four hundred one million, twelve thousand, three hundred thirty".