29965594420 has 12 divisors (see below), whose sum is σ = 62927748324. Its totient is φ = 11986237760.

The previous prime is 29965594409. The next prime is 29965594423. The reversal of 29965594420 is 2449556992.

It can be written as a sum of positive squares in 2 ways, for example, as 12200969764 + 17764624656 = 110458^2 + 133284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29965594423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749139841 + ... + 749139880.

It is an arithmetic number, because the mean of its divisors is an integer number (5243979027).

Almost surely, 2^29965594420 is an apocalyptic number.

29965594420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29965594420 is an abundant number, since it is smaller than the sum of its proper divisors (32962153904).

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

29965594420 is a wasteful number, since it uses less digits than its factorization.

29965594420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498279730 (or 1498279728 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 29965594420 in words is "twenty-nine billion, nine hundred sixty-five million, five hundred ninety-four thousand, four hundred twenty".