34220021630 has 16 divisors (see below), whose sum is σ = 64837936080. Its totient is φ = 12967587072.

The previous prime is 34220021623. The next prime is 34220021657. The reversal of 34220021630 is 3612002243.

It is a junction number, because it is equal to n+sod(n) for n = 34220021596 and 34220021605.

It is a congruent number.

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, 90052499 + ... + 90052878.

It is an arithmetic number, because the mean of its divisors is an integer number (4052371005).

Almost surely, 2^34220021630 is an apocalyptic number.

34220021630 is a deficient number, since it is larger than the sum of its proper divisors (30617914450).

34220021630 is a wasteful number, since it uses less digits than its factorization.

34220021630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180105403.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 34220021630 its reverse (3612002243), we get a palindrome (37832023873).

The spelling of 34220021630 in words is "thirty-four billion, two hundred twenty million, twenty-one thousand, six hundred thirty".