20193130 has 16 divisors (see below), whose sum is σ = 36891360. Its totient is φ = 7956432.

The previous prime is 20193119. The next prime is 20193133. The reversal of 20193130 is 3139102.

It is a junction number, because it is equal to n+sod(n) for n = 20193098 and 20193107.

It is not an unprimeable number, because it can be changed into a prime (20193133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14400 + ... + 15739.

It is an arithmetic number, because the mean of its divisors is an integer number (2305710).

Almost surely, 2^20193130 is an apocalyptic number.

20193130 is a deficient number, since it is larger than the sum of its proper divisors (16698230).

20193130 is a wasteful number, since it uses less digits than its factorization.

20193130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30213.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 20193130 is about 4493.6766683864. The cubic root of 20193130 is about 272.3126900635.

The spelling of 20193130 in words is "twenty million, one hundred ninety-three thousand, one hundred thirty".