20103013000 has 128 divisors (see below), whose sum is σ = 53879904000. Its totient is φ = 6877248000.

The previous prime is 20103012997. The next prime is 20103013003. The reversal of 20103013000 is 31030102.

It is an interprime number because it is at equal distance from previous prime (20103012997) and next prime (20103013003).

It is a super-2 number, since 2×20103013000² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20103013003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3434076 + ... + 3439924.

It is an arithmetic number, because the mean of its divisors is an integer number (420936750).

Almost surely, 2^20103013000 is an apocalyptic number.

20103013000 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 20103013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26939952000).

20103013000 is an abundant number, since it is smaller than the sum of its proper divisors (33776891000).

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

20103013000 is a wasteful number, since it uses less digits than its factorization.

20103013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6368 (or 6354 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20103013000 its reverse (31030102), we get a palindrome (20134043102).

The spelling of 20103013000 in words is "twenty billion, one hundred three million, thirteen thousand".