20000120111110 has 16 divisors (see below), whose sum is σ = 36005446632816. Its totient is φ = 7998885726048.

The previous prime is 20000120111029. The next prime is 20000120111129. The reversal of 20000120111110 is 1111102100002.

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

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, 145217529 + ... + 145355188.

It is an arithmetic number, because the mean of its divisors is an integer number (2250340414551).

Almost surely, 2^{20000120111110} is an apocalyptic number.

20000120111110 is a deficient number, since it is larger than the sum of its proper divisors (16005326521706).

20000120111110 is a wasteful number, since it uses less digits than its factorization.

20000120111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290579607.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20000120111110 its reverse (1111102100002), we get a palindrome (21111222211112).

The spelling of 20000120111110 in words is "twenty trillion, one hundred twenty million, one hundred eleven thousand, one hundred ten".