29060809920 has 336 divisors, whose sum is σ = 102871353312. Its totient is φ = 7526891520.

The previous prime is 29060809889. The next prime is 29060809937. The reversal of 29060809920 is 2990806092.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14580444 + ... + 14582436.

It is an arithmetic number, because the mean of its divisors is an integer number (306164742).

Almost surely, 2^29060809920 is an apocalyptic number.

29060809920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29060809920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51435676656).

29060809920 is an abundant number, since it is smaller than the sum of its proper divisors (73810543392).

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

29060809920 is a wasteful number, since it uses less digits than its factorization.

29060809920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 29060809920 in words is "twenty-nine billion, sixty million, eight hundred nine thousand, nine hundred twenty".