30200001020 has 96 divisors (see below), whose sum is σ = 74049292800. Its totient is φ = 10131174144.

The previous prime is 30200001019. The next prime is 30200001071. The reversal of 30200001020 is 2010000203.

It is a junction number, because it is equal to n+sod(n) for n = 30200000989 and 30200001007.

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, 2806811 + ... + 2817549.

It is an arithmetic number, because the mean of its divisors is an integer number (771346800).

Almost surely, 2^30200001020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30200001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37024646400).

30200001020 is an abundant number, since it is smaller than the sum of its proper divisors (43849291780).

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

30200001020 is a wasteful number, since it uses less digits than its factorization.

30200001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187 (or 11185 counting only the distinct ones).

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

Adding to 30200001020 its reverse (2010000203), we get a palindrome (32210001223).

The spelling of 30200001020 in words is "thirty billion, two hundred million, one thousand, twenty".