20344134320030 has 32 divisors (see below), whose sum is σ = 36737994508128. Its totient is φ = 8111341929600.

The previous prime is 20344134320021. The next prime is 20344134320063. The reversal of 20344134320030 is 3002343144302.

It is a junction number, because it is equal to n+sod(n) for n = 20344134319975 and 20344134320002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2818700 + ... + 6973760.

It is an arithmetic number, because the mean of its divisors is an integer number (1148062328379).

Almost surely, 2^{20344134320030} is an apocalyptic number.

20344134320030 is a deficient number, since it is larger than the sum of its proper divisors (16393860188098).

20344134320030 is a wasteful number, since it uses less digits than its factorization.

20344134320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156652.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20344134320030 its reverse (3002343144302), we get a palindrome (23346477464332).

The spelling of 20344134320030 in words is "twenty trillion, three hundred forty-four billion, one hundred thirty-four million, three hundred twenty thousand, thirty".