20210434442030 has 32 divisors (see below), whose sum is σ = 42916904110080. Its totient is φ = 6705766265760.

The previous prime is 20210434441973. The next prime is 20210434442047. The reversal of 20210434442030 is 3024443401202.

It is a junction number, because it is equal to n+sod(n) for n = 20210434441984 and 20210434442002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4656779960 + ... + 4656784299.

It is an arithmetic number, because the mean of its divisors is an integer number (1341153253440).

Almost surely, 2^{20210434442030} is an apocalyptic number.

20210434442030 is an abundant number, since it is smaller than the sum of its proper divisors (22706469668050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210434442030 is a wasteful number, since it uses less digits than its factorization.

20210434442030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313564304.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20210434442030 its reverse (3024443401202), we get a palindrome (23234877843232).

The spelling of 20210434442030 in words is "twenty trillion, two hundred ten billion, four hundred thirty-four million, four hundred forty-two thousand, thirty".