20011370 has 16 divisors (see below), whose sum is σ = 37916640. Its totient is φ = 7583184.

The previous prime is 20011361. The next prime is 20011373. The reversal of 20011370 is 7311002.

It is not an unprimeable number, because it can be changed into a prime (20011373) 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, 52472 + ... + 52851.

It is an arithmetic number, because the mean of its divisors is an integer number (2369790).

Almost surely, 2^20011370 is an apocalyptic number.

20011370 is a deficient number, since it is larger than the sum of its proper divisors (17905270).

20011370 is a wasteful number, since it uses less digits than its factorization.

20011370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105349.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 20011370 is about 4473.4069790262. The cubic root of 20011370 is about 271.4931901289.

Adding to 20011370 its reverse (7311002), we get a palindrome (27322372).

The spelling of 20011370 in words is "twenty million, eleven thousand, three hundred seventy".