1020562434 has 24 divisors (see below), whose sum is σ = 2211896700. Its totient is φ = 340083168.

The previous prime is 1020562429. The next prime is 1020562441. The reversal of 1020562434 is 4342650201.

1020562434 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 5 + 624 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 968765625 + 51796809 = 31125^2 + 7197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020562398 and 1020562407.

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, 71764 + ... + 84800.

Almost surely, 2^1020562434 is an apocalyptic number.

1020562434 is an abundant number, since it is smaller than the sum of its proper divisors (1191334266).

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

1020562434 is a wasteful number, since it uses less digits than its factorization.

1020562434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17394 (or 17391 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1020562434 is about 31946.2428776844. The cubic root of 1020562434 is about 1006.8076947914.

The spelling of 1020562434 in words is "one billion, twenty million, five hundred sixty-two thousand, four hundred thirty-four".