20201274 has 48 divisors (see below), whose sum is σ = 46335744. Its totient is φ = 6350400.

The previous prime is 20201273. The next prime is 20201303. The reversal of 20201274 is 47210202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20201273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22437 + ... + 23319.

It is an arithmetic number, because the mean of its divisors is an integer number (965328).

Almost surely, 2^20201274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23167872).

20201274 is an abundant number, since it is smaller than the sum of its proper divisors (26134470).

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

20201274 is a wasteful number, since it uses less digits than its factorization.

20201274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 20201274 is about 4494.5827392540. The cubic root of 20201274 is about 272.3492935432.

Adding to 20201274 its reverse (47210202), we get a palindrome (67411476).

The spelling of 20201274 in words is "twenty million, two hundred one thousand, two hundred seventy-four".