20214657381870 has 96 divisors (see below), whose sum is σ = 60685652035008. Its totient is φ = 4572859152384.

The previous prime is 20214657381829. The next prime is 20214657381889. The reversal of 20214657381870 is 7818375641202.

20214657381870 is a `hidden beast` number, since 2 + 0 + 2 + 146 + 57 + 381 + 8 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165334549 + ... + 165456768.

It is an arithmetic number, because the mean of its divisors is an integer number (632142208698).

Almost surely, 2^{20214657381870} is an apocalyptic number.

20214657381870 is an abundant number, since it is smaller than the sum of its proper divisors (40470994653138).

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

20214657381870 is a wasteful number, since it uses less digits than its factorization.

20214657381870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330791434 (or 330791431 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 20214657381870 in words is "twenty trillion, two hundred fourteen billion, six hundred fifty-seven million, three hundred eighty-one thousand, eight hundred seventy".