20774076 has 24 divisors (see below), whose sum is σ = 48639360. Its totient is φ = 6900912.

The previous prime is 20774071. The next prime is 20774101. The reversal of 20774076 is 67047702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20774071) 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, 865 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (2026640).

Almost surely, 2^20774076 is an apocalyptic number.

It is an amenable number.

20774076 is an abundant number, since it is smaller than the sum of its proper divisors (27865284).

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

20774076 is a wasteful number, since it uses less digits than its factorization.

20774076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953 (or 5951 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 20774076 is about 4557.8587077706. The cubic root of 20774076 is about 274.8994717956.

The spelling of 20774076 in words is "twenty million, seven hundred seventy-four thousand, seventy-six".