29839055620 has 24 divisors (see below), whose sum is σ = 68358564288. Its totient is φ = 10850565600.

The previous prime is 29839055569. The next prime is 29839055689. The reversal of 29839055620 is 2655093892.

It is a happy number.

It is a super-3 number, since 3×29839055620³ (a number of 32 digits) contains 333 as substring.

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, 67815816 + ... + 67816255.

It is an arithmetic number, because the mean of its divisors is an integer number (2848273512).

Almost surely, 2^29839055620 is an apocalyptic number.

29839055620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29839055620 is an abundant number, since it is smaller than the sum of its proper divisors (38519508668).

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

29839055620 is a wasteful number, since it uses less digits than its factorization.

29839055620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135632091 (or 135632089 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 29839055620 in words is "twenty-nine billion, eight hundred thirty-nine million, fifty-five thousand, six hundred twenty".