385821820022 has 16 divisors (see below), whose sum is σ = 597429706752. Its totient is φ = 186679171560.

The previous prime is 385821820019. The next prime is 385821820031. The reversal of 385821820022 is 220028128583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290923 + ... + 1561449.

It is an arithmetic number, because the mean of its divisors is an integer number (37339356672).

Almost surely, 2^385821820022 is an apocalyptic number.

385821820022 is a deficient number, since it is larger than the sum of its proper divisors (211607886730).

385821820022 is a wasteful number, since it uses less digits than its factorization.

385821820022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293563.

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 385821820022 in words is "three hundred eighty-five billion, eight hundred twenty-one million, eight hundred twenty thousand, twenty-two".