20102001030 has 48 divisors (see below), whose sum is σ = 52279456320. Its totient is φ = 5359071744.

The previous prime is 20102001001. The next prime is 20102001037. The reversal of 20102001030 is 3010020102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102001037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324214 + ... + 381206.

It is an arithmetic number, because the mean of its divisors is an integer number (1089155340).

Almost surely, 2^20102001030 is an apocalyptic number.

20102001030 is an abundant number, since it is smaller than the sum of its proper divisors (32177455290).

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

20102001030 is a wasteful number, since it uses less digits than its factorization.

20102001030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60925 (or 60922 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20102001030 its reverse (3010020102), we get a palindrome (23112021132).

The spelling of 20102001030 in words is "twenty billion, one hundred two million, one thousand, thirty".