20434355224215 has 32 divisors (see below), whose sum is σ = 33314663923200. Its totient is φ = 10691792282496.

The previous prime is 20434355224207. The next prime is 20434355224273. The reversal of 20434355224215 is 51242255343402.

It is not a de Polignac number, because 20434355224215 - 2³ = 20434355224207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8400886 + ... + 10556684.

It is an arithmetic number, because the mean of its divisors is an integer number (1041083247600).

Almost surely, 2^{20434355224215} is an apocalyptic number.

20434355224215 is a deficient number, since it is larger than the sum of its proper divisors (12880308698985).

20434355224215 is a wasteful number, since it uses less digits than its factorization.

20434355224215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167783.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 20434355224215 in words is "twenty trillion, four hundred thirty-four billion, three hundred fifty-five million, two hundred twenty-four thousand, two hundred fifteen".