20062971 has 10 divisors (see below), whose sum is σ = 29970732. Its totient is φ = 13375260.

The previous prime is 20062957. The next prime is 20062979. The reversal of 20062971 is 17926002.

It is not a de Polignac number, because 20062971 - 2⁹ = 20062459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20062979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123765 + ... + 123926.

Almost surely, 2^20062971 is an apocalyptic number.

20062971 is a deficient number, since it is larger than the sum of its proper divisors (9907761).

20062971 is an equidigital number, since it uses as much as digits as its factorization.

20062971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247703 (or 247694 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 20062971 is about 4479.1707937965. The cubic root of 20062971 is about 271.7263458452.

Adding to 20062971 its reverse (17926002), we get a palindrome (37988973).

The spelling of 20062971 in words is "twenty million, sixty-two thousand, nine hundred seventy-one".