30261200420 has 48 divisors (see below), whose sum is σ = 69628507200. Its totient is φ = 10956001920.

The previous prime is 30261200393. The next prime is 30261200423. The reversal of 30261200420 is 2400216203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30261200392 and 30261200401.

It is not an unprimeable number, because it can be changed into a prime (30261200423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249950 + ... + 350709.

It is an arithmetic number, because the mean of its divisors is an integer number (1450593900).

Almost surely, 2^30261200420 is an apocalyptic number.

It is an amenable number.

30261200420 is an abundant number, since it is smaller than the sum of its proper divisors (39367306780).

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

30261200420 is a wasteful number, since it uses less digits than its factorization.

30261200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600908 (or 600906 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30261200420 its reverse (2400216203), we get a palindrome (32661416623).

The spelling of 30261200420 in words is "thirty billion, two hundred sixty-one million, two hundred thousand, four hundred twenty".