210020432019 has 4 divisors (see below), whose sum is σ = 280027242696. Its totient is φ = 140013621344.

The previous prime is 210020431991. The next prime is 210020432023. The reversal of 210020432019 is 910234020012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210020432019 - 2⁸ = 210020431763 is a prime.

It is a super-2 number, since 2×210020432019² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210020432019.

It is not an unprimeable number, because it can be changed into a prime (210020432719) 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, 35003405334 + ... + 35003405339.

It is an arithmetic number, because the mean of its divisors is an integer number (70006810674).

Almost surely, 2^210020432019 is an apocalyptic number.

210020432019 is a deficient number, since it is larger than the sum of its proper divisors (70006810677).

210020432019 is an equidigital number, since it uses as much as digits as its factorization.

210020432019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70006810676.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 210020432019 in words is "two hundred ten billion, twenty million, four hundred thirty-two thousand, nineteen".