63020394 has 24 divisors (see below), whose sum is σ = 144576900. Its totient is φ = 19771008.

The previous prime is 63020387. The next prime is 63020407. The reversal of 63020394 is 49302036.

63020394 is a `hidden beast` number, since 630 + 20 + 3 + 9 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62964225 + 56169 = 7935^2 + 237^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102669 + ... + 103280.

Almost surely, 2^63020394 is an apocalyptic number.

63020394 is an abundant number, since it is smaller than the sum of its proper divisors (81556506).

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

63020394 is a wasteful number, since it uses less digits than its factorization.

63020394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205974 (or 205971 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 63020394 is about 7938.5385304853. The cubic root of 63020394 is about 397.9486520795.

The spelling of 63020394 in words is "sixty-three million, twenty thousand, three hundred ninety-four".