20461374 has 24 divisors (see below), whose sum is σ = 44793840. Its totient is φ = 6749568.

The previous prime is 20461373. The next prime is 20461391. The reversal of 20461374 is 47316402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20461373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4114 + ... + 7605.

It is an arithmetic number, because the mean of its divisors is an integer number (1866410).

Almost surely, 2^20461374 is an apocalyptic number.

20461374 is an abundant number, since it is smaller than the sum of its proper divisors (24332466).

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

20461374 is a wasteful number, since it uses less digits than its factorization.

20461374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824 (or 11821 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20461374 is about 4523.4250297756. The cubic root of 20461374 is about 273.5131835713.

Adding to 20461374 its reverse (47316402), we get a palindrome (67777776).

The spelling of 20461374 in words is "twenty million, four hundred sixty-one thousand, three hundred seventy-four".