39220232730 has 128 divisors (see below), whose sum is σ = 115287072768. Its totient is φ = 8343067392.

The previous prime is 39220232719. The next prime is 39220232773. The reversal of 39220232730 is 3723202293.

It is a junction number, because it is equal to n+sod(n) for n = 39220232691 and 39220232700.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68979 + ... + 288441.

It is an arithmetic number, because the mean of its divisors is an integer number (900680256).

Almost surely, 2^39220232730 is an apocalyptic number.

39220232730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39220232730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57643536384).

39220232730 is an abundant number, since it is smaller than the sum of its proper divisors (76066840038).

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

39220232730 is a wasteful number, since it uses less digits than its factorization.

39220232730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219540.

The product of its (nonzero) digits is 27216, while the sum is 33.

The spelling of 39220232730 in words is "thirty-nine billion, two hundred twenty million, two hundred thirty-two thousand, seven hundred thirty".