19930069 has 8 divisors (see below), whose sum is σ = 22213440. Its totient is φ = 17770176.

The previous prime is 19930061. The next prime is 19930073. The reversal of 19930069 is 96003991.

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

It is a cyclic number.

It is not a de Polignac number, because 19930069 - 2³ = 19930061 is a prime.

It is a super-2 number, since 2×19930069² = 794415300689522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19930061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30529 + ... + 31174.

It is an arithmetic number, because the mean of its divisors is an integer number (2776680).

Almost surely, 2^19930069 is an apocalyptic number.

19930069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

19930069 is a deficient number, since it is larger than the sum of its proper divisors (2283371).

19930069 is a wasteful number, since it uses less digits than its factorization.

19930069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61739.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 19930069 is about 4464.3105850736. The cubic root of 19930069 is about 271.1250223099.

The spelling of 19930069 in words is "nineteen million, nine hundred thirty thousand, sixty-nine".