10020542 has 8 divisors (see below), whose sum is σ = 17178096. Its totient is φ = 4294512.

The previous prime is 10020509. The next prime is 10020547. The reversal of 10020542 is 24502001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10020542² = 200822523947528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 715753 = 10020542 / (1 + 0 + 0 + 2 + 0 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357863 + ... + 357890.

It is an arithmetic number, because the mean of its divisors is an integer number (2147262).

Almost surely, 2^10020542 is an apocalyptic number.

10020542 is a deficient number, since it is larger than the sum of its proper divisors (7157554).

10020542 is an equidigital number, since it uses as much as digits as its factorization.

10020542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715762.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 10020542 is about 3165.5239692664. The cubic root of 10020542 is about 215.5908894302.

Adding to 10020542 its reverse (24502001), we get a palindrome (34522543).

The spelling of 10020542 in words is "ten million, twenty thousand, five hundred forty-two".