20010111011000 has 128 divisors (see below), whose sum is σ = 51586105072320. Its totient is φ = 7204360000000.

The previous prime is 20010111010991. The next prime is 20010111011053. The reversal of 20010111011000 is 11011101002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent 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, 7894451 + ... + 10116450.

Almost surely, 2^{20010111011000} is an apocalyptic number.

20010111011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010111011000 is an abundant number, since it is smaller than the sum of its proper divisors (31575994061320).

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

20010111011000 is a wasteful number, since it uses less digits than its factorization.

20010111011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011034 (or 18011020 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 20010111011000 its reverse (11011101002), we get a palindrome (20021122112002).

The spelling of 20010111011000 in words is "twenty trillion, ten billion, one hundred eleven million, eleven thousand".