60020999 has 4 divisors (see below), whose sum is σ = 63551664. Its totient is φ = 56490336.

The previous prime is 60020971. The next prime is 60021029. The reversal of 60020999 is 99902006.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99902006 = 2 ⋅49951003.

It is a cyclic number.

It is not a de Polignac number, because 60020999 - 2¹² = 60016903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60020099) 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, 1765307 + ... + 1765340.

It is an arithmetic number, because the mean of its divisors is an integer number (15887916).

Almost surely, 2^60020999 is an apocalyptic number.

60020999 is a deficient number, since it is larger than the sum of its proper divisors (3530665).

60020999 is a wasteful number, since it uses less digits than its factorization.

60020999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530664.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 60020999 is about 7747.3220534582. The cubic root of 60020999 is about 391.5324300707.

The spelling of 60020999 in words is "sixty million, twenty thousand, nine hundred ninety-nine".