20052619 has 8 divisors (see below), whose sum is σ = 22026240. Its totient is φ = 18170856.

The previous prime is 20052587. The next prime is 20052623. The reversal of 20052619 is 91625002.

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 20052619 - 2⁵ = 20052587 is a prime.

It is a super-2 number, since 2×20052619² = 804215057518322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20052593 and 20052602.

It is not an unprimeable number, because it can be changed into a prime (20052689) 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, 22507 + ... + 23380.

It is an arithmetic number, because the mean of its divisors is an integer number (2753280).

Almost surely, 2^20052619 is an apocalyptic number.

20052619 is a deficient number, since it is larger than the sum of its proper divisors (1973621).

20052619 is a wasteful number, since it uses less digits than its factorization.

20052619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45929.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 20052619 is about 4478.0150736682. The cubic root of 20052619 is about 271.6796030992.

It can be divided in two parts, 2005 and 2619, that added together give a square (4624 = 68²).

The spelling of 20052619 in words is "twenty million, fifty-two thousand, six hundred nineteen".