44720120 has 16 divisors (see below), whose sum is σ = 100620360. Its totient is φ = 17888032.

The previous prime is 44720113. The next prime is 44720147. The reversal of 44720120 is 2102744.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44720092 and 44720101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558962 + ... + 559041.

Almost surely, 2^44720120 is an apocalyptic number.

44720120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44720120 is an abundant number, since it is smaller than the sum of its proper divisors (55900240).

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

44720120 is a wasteful number, since it uses less digits than its factorization.

44720120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118014 (or 1118010 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 44720120 is about 6687.3103711432. The cubic root of 44720120 is about 354.9503865070.

Adding to 44720120 its reverse (2102744), we get a palindrome (46822864).

The spelling of 44720120 in words is "forty-four million, seven hundred twenty thousand, one hundred twenty".