20629344 has 48 divisors (see below), whose sum is σ = 56512512. Its totient is φ = 6576768.

The previous prime is 20629331. The next prime is 20629361. The reversal of 20629344 is 44392602.

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 7 ways as a sum of consecutive naturals, for example, 2464 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (1177344).

Almost surely, 2^20629344 is an apocalyptic number.

20629344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20629344 is an abundant number, since it is smaller than the sum of its proper divisors (35883168).

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

20629344 is a wasteful number, since it uses less digits than its factorization.

20629344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379 (or 9371 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20629344 is about 4541.9537646260. The cubic root of 20629344 is about 274.2595796032.

The spelling of 20629344 in words is "twenty million, six hundred twenty-nine thousand, three hundred forty-four".