20352215020 has 48 divisors (see below), whose sum is σ = 43207895808. Its totient is φ = 8052108480.

The previous prime is 20352215011. The next prime is 20352215029. The reversal of 20352215020 is 2051225302.

It is an interprime number because it is at equal distance from previous prime (20352215011) and next prime (20352215029).

It is a junction number, because it is equal to n+sod(n) for n = 20352214982 and 20352215000.

It is not an unprimeable number, because it can be changed into a prime (20352215029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791689 + ... + 816991.

It is an arithmetic number, because the mean of its divisors is an integer number (900164496).

Almost surely, 2^20352215020 is an apocalyptic number.

20352215020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20352215020 is an abundant number, since it is smaller than the sum of its proper divisors (22855680788).

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

20352215020 is a wasteful number, since it uses less digits than its factorization.

20352215020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25750 (or 25748 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 20352215020 in words is "twenty billion, three hundred fifty-two million, two hundred fifteen thousand, twenty".