211031402322020 has 48 divisors (see below), whose sum is σ = 507140905074048. Its totient is φ = 72258546581760.

The previous prime is 211031402322017. The next prime is 211031402322101. The reversal of 211031402322020 is 20223204130112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 990279242 + ... + 990492321.

It is an arithmetic number, because the mean of its divisors is an integer number (10565435522376).

Almost surely, 2^{211031402322020} is an apocalyptic number.

211031402322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211031402322020 is an abundant number, since it is smaller than the sum of its proper divisors (296109502752028).

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

211031402322020 is a wasteful number, since it uses less digits than its factorization.

211031402322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980772340 (or 1980772338 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 211031402322020 its reverse (20223204130112), we get a palindrome (231254606452132).

The spelling of 211031402322020 in words is "two hundred eleven trillion, thirty-one billion, four hundred two million, three hundred twenty-two thousand, twenty".