30202401020 has 72 divisors (see below), whose sum is σ = 69876391200. Its totient is φ = 10957288320.

The previous prime is 30202401013. The next prime is 30202401029. The reversal of 30202401020 is 2010420203.

It is a junction number, because it is equal to n+sod(n) for n = 30202400986 and 30202401004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202401029) 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, 1048166 + ... + 1076594.

Almost surely, 2^30202401020 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 30202401020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34938195600).

30202401020 is an abundant number, since it is smaller than the sum of its proper divisors (39673990180).

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

30202401020 is a wasteful number, since it uses less digits than its factorization.

30202401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28899 (or 28886 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 30202401020 its reverse (2010420203), we get a palindrome (32212821223).

The spelling of 30202401020 in words is "thirty billion, two hundred two million, four hundred one thousand, twenty".