20029824 has 48 divisors (see below), whose sum is σ = 57641220. Its totient is φ = 6676224.

The previous prime is 20029783. The next prime is 20029831. The reversal of 20029824 is 42892002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7542 + ... + 9845.

Almost surely, 2^20029824 is an apocalyptic number.

20029824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20029824 is an abundant number, since it is smaller than the sum of its proper divisors (37611396).

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

20029824 is a wasteful number, since it uses less digits than its factorization.

20029824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17407 (or 17392 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20029824 is about 4475.4691374201. The cubic root of 20029824 is about 271.5766193001.

The spelling of 20029824 in words is "twenty million, twenty-nine thousand, eight hundred twenty-four".