20774052 has 36 divisors (see below), whose sum is σ = 56552860. Its totient is φ = 6391872.

The previous prime is 20774023. The next prime is 20774053. The reversal of 20774052 is 25047702.

It can be written as a sum of positive squares in 2 ways, for example, as 12787776 + 7986276 = 3576^2 + 2826^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20774052² = 863122472997408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20774053) 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, 21727 + ... + 22662.

Almost surely, 2^20774052 is an apocalyptic number.

It is an amenable number.

20774052 is an abundant number, since it is smaller than the sum of its proper divisors (35778808).

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

20774052 is a wasteful number, since it uses less digits than its factorization.

20774052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44412 (or 44407 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 20774052 is about 4557.8560749545. The cubic root of 20774052 is about 274.8993659331.

The spelling of 20774052 in words is "twenty million, seven hundred seventy-four thousand, fifty-two".