10020530 has 16 divisors (see below), whose sum is σ = 19424664. Its totient is φ = 3699840.

The previous prime is 10020509. The next prime is 10020547. The reversal of 10020530 is 3502001.

10020530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6497401 + 3523129 = 2549^2 + 1877^2 .

It is a super-2 number, since 2×10020530² = 200822042961800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38411 + ... + 38670.

Almost surely, 2^10020530 is an apocalyptic number.

10020530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020530 is a deficient number, since it is larger than the sum of its proper divisors (9404134).

10020530 is a wasteful number, since it uses less digits than its factorization.

10020530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77101.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 10020530 is about 3165.5220738450. The cubic root of 10020530 is about 215.5908033706.

Adding to 10020530 its reverse (3502001), we get a palindrome (13522531).

The spelling of 10020530 in words is "ten million, twenty thousand, five hundred thirty".