20822149354748 has 24 divisors (see below), whose sum is σ = 41723924548992. Its totient is φ = 8906715615024.

The previous prime is 20822149354739. The next prime is 20822149354757. The reversal of 20822149354748 is 84745394122802.

It is an interprime number because it is at equal distance from previous prime (20822149354739) and next prime (20822149354757).

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, 710930090 + ... + 710959377.

It is an arithmetic number, because the mean of its divisors is an integer number (1738496856208).

Almost surely, 2^{20822149354748} is an apocalyptic number.

20822149354748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20822149354748 is an abundant number, since it is smaller than the sum of its proper divisors (20901775194244).

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

20822149354748 is a wasteful number, since it uses less digits than its factorization.

20822149354748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421890001 (or 1421889999 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 20822149354748 in words is "twenty trillion, eight hundred twenty-two billion, one hundred forty-nine million, three hundred fifty-four thousand, seven hundred forty-eight".