20010023000 has 256 divisors, whose sum is σ = 53778816000. Its totient is φ = 6897792000.

The previous prime is 20010022993. The next prime is 20010023057. The reversal of 20010023000 is 32001002.

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 63 ways as a sum of consecutive naturals, for example, 35166716 + ... + 35167284.

It is an arithmetic number, because the mean of its divisors is an integer number (210073500).

Almost surely, 2^20010023000 is an apocalyptic number.

20010023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26889408000).

20010023000 is an abundant number, since it is smaller than the sum of its proper divisors (33768793000).

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

20010023000 is a wasteful number, since it uses less digits than its factorization.

20010023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 20010023000 its reverse (32001002), we get a palindrome (20042024002).

It can be divided in two parts, 2001002 and 3000, that added together give a palindrome (2004002).

The spelling of 20010023000 in words is "twenty billion, ten million, twenty-three thousand".