20120752 has 10 divisors (see below), whose sum is σ = 38983988. Its totient is φ = 10060368.

The previous prime is 20120743. The next prime is 20120759. The reversal of 20120752 is 25702102.

It is a super-2 number, since 2×20120752² = 809689322091008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20120759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628758 + ... + 628789.

Almost surely, 2^20120752 is an apocalyptic number.

It is an amenable number.

20120752 is a deficient number, since it is larger than the sum of its proper divisors (18863236).

20120752 is a wasteful number, since it uses less digits than its factorization.

20120752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257555 (or 1257549 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20120752 is about 4485.6161226748. The cubic root of 20120752 is about 271.9869515078.

Adding to 20120752 its reverse (25702102), we get a palindrome (45822854).

The spelling of 20120752 in words is "twenty million, one hundred twenty thousand, seven hundred fifty-two".