20010220030 has 16 divisors (see below), whose sum is σ = 36169104960. Its totient is φ = 7970597152.

The previous prime is 20010220007. The next prime is 20010220051. The reversal of 20010220030 is 3002201002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20010219989 and 20010220016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4183849 + ... + 4188628.

It is an arithmetic number, because the mean of its divisors is an integer number (2260569060).

Almost surely, 2^20010220030 is an apocalyptic number.

20010220030 is a deficient number, since it is larger than the sum of its proper divisors (16158884930).

20010220030 is a wasteful number, since it uses less digits than its factorization.

20010220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372723.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20010220030 its reverse (3002201002), we get a palindrome (23012421032).

The spelling of 20010220030 in words is "twenty billion, ten million, two hundred twenty thousand, thirty".