20011203330 has 64 divisors (see below), whose sum is σ = 49223293056. Its totient is φ = 5203520000.

The previous prime is 20011203307. The next prime is 20011203347. The reversal of 20011203330 is 3330211002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 3959305 + ... + 3964355.

It is an arithmetic number, because the mean of its divisors is an integer number (769113954).

Almost surely, 2^20011203330 is an apocalyptic number.

20011203330 is an abundant number, since it is smaller than the sum of its proper divisors (29212089726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011203330 is a wasteful number, since it uses less digits than its factorization.

20011203330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20011203330 its reverse (3330211002), we get a palindrome (23341414332).

The spelling of 20011203330 in words is "twenty billion, eleven million, two hundred three thousand, three hundred thirty".