29600021420 has 24 divisors (see below), whose sum is σ = 62800874304. Its totient is φ = 11717945856.

The previous prime is 29600021417. The next prime is 29600021441. The reversal of 29600021420 is 2412000692.

It is a super-2 number, since 2×29600021420² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29600021420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7626932 + ... + 7630811.

It is an arithmetic number, because the mean of its divisors is an integer number (2616703096).

Almost surely, 2^29600021420 is an apocalyptic number.

29600021420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29600021420 is an abundant number, since it is smaller than the sum of its proper divisors (33200852884).

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

29600021420 is a wasteful number, since it uses less digits than its factorization.

29600021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15257849 (or 15257847 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 29600021420 in words is "twenty-nine billion, six hundred million, twenty-one thousand, four hundred twenty".