20014742 has 8 divisors (see below), whose sum is σ = 32751432. Its totient is φ = 9097600.

The previous prime is 20014721. The next prime is 20014751. The reversal of 20014742 is 24741002.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 454859 + ... + 454902.

It is an arithmetic number, because the mean of its divisors is an integer number (4093929).

Almost surely, 2^20014742 is an apocalyptic number.

20014742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20014742 is a deficient number, since it is larger than the sum of its proper divisors (12736690).

20014742 is a wasteful number, since it uses less digits than its factorization.

20014742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909774.

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

The square root of 20014742 is about 4473.7838570946. The cubic root of 20014742 is about 271.5084385205.

Adding to 20014742 its reverse (24741002), we get a palindrome (44755744).

The spelling of 20014742 in words is "twenty million, fourteen thousand, seven hundred forty-two".