20514972 has 24 divisors (see below), whose sum is σ = 48028176. Its totient is φ = 6815488.

The previous prime is 20514947. The next prime is 20514979. The reversal of 20514972 is 27941502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108 + ... + 6500.

It is an arithmetic number, because the mean of its divisors is an integer number (2001174).

Almost surely, 2^20514972 is an apocalyptic number.

It is an amenable number.

20514972 is an abundant number, since it is smaller than the sum of its proper divisors (27513204).

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

20514972 is a wasteful number, since it uses less digits than its factorization.

20514972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717 (or 5715 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 20514972 is about 4529.3456481041. The cubic root of 20514972 is about 273.7517954053.

The spelling of 20514972 in words is "twenty million, five hundred fourteen thousand, nine hundred seventy-two".