30420120210 has 16 divisors (see below), whose sum is σ = 73008288576. Its totient is φ = 8112032048.

The previous prime is 30420120149. The next prime is 30420120271. The reversal of 30420120210 is 1202102403.

It is an interprime number because it is at equal distance from previous prime (30420120149) and next prime (30420120271).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30420120210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507001974 + ... + 507002033.

It is an arithmetic number, because the mean of its divisors is an integer number (4563018036).

Almost surely, 2^30420120210 is an apocalyptic number.

30420120210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30420120210 is an abundant number, since it is smaller than the sum of its proper divisors (42588168366).

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

30420120210 is a wasteful number, since it uses less digits than its factorization.

30420120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014004017.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30420120210 its reverse (1202102403), we get a palindrome (31622222613).

The spelling of 30420120210 in words is "thirty billion, four hundred twenty million, one hundred twenty thousand, two hundred ten".