20211770451202 has 8 divisors (see below), whose sum is σ = 33073806192912. Its totient is φ = 9187168386900.

The previous prime is 20211770451181. The next prime is 20211770451209. The reversal of 20211770451202 is 20215407711202.

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

It is not an unprimeable number, because it can be changed into a prime (20211770451209) 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, 459358419324 + ... + 459358419367.

It is an arithmetic number, because the mean of its divisors is an integer number (4134225774114).

Almost surely, 2^{20211770451202} is an apocalyptic number.

20211770451202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20211770451202 is a deficient number, since it is larger than the sum of its proper divisors (12862035741710).

20211770451202 is a wasteful number, since it uses less digits than its factorization.

20211770451202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918716838704.

The product of its (nonzero) digits is 15680, while the sum is 34.

The spelling of 20211770451202 in words is "twenty trillion, two hundred eleven billion, seven hundred seventy million, four hundred fifty-one thousand, two hundred two".