30420020100 has 36 divisors (see below), whose sum is σ = 88015259024. Its totient is φ = 8112005280.

The previous prime is 30420020063. The next prime is 30420020107. The reversal of 30420020100 is 102002403.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (30420020107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50699734 + ... + 50700333.

Almost surely, 2^30420020100 is an apocalyptic number.

30420020100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30420020100 is an abundant number, since it is smaller than the sum of its proper divisors (57595238924).

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

30420020100 is a wasteful number, since it uses less digits than its factorization.

30420020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101400084 (or 101400077 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 30420020100 its reverse (102002403), we get a palindrome (30522022503).

The spelling of 30420020100 in words is "thirty billion, four hundred twenty million, twenty thousand, one hundred".