20102771360 has 144 divisors (see below), whose sum is σ = 55338401664. Its totient is φ = 6880946688.

The previous prime is 20102771329. The next prime is 20102771383. The reversal of 20102771360 is 6317720102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5697917 + ... + 5701443.

It is an arithmetic number, because the mean of its divisors is an integer number (384294456).

Almost surely, 2^20102771360 is an apocalyptic number.

20102771360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20102771360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27669200832).

20102771360 is an abundant number, since it is smaller than the sum of its proper divisors (35235630304).

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

20102771360 is a wasteful number, since it uses less digits than its factorization.

20102771360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283 (or 4268 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The spelling of 20102771360 in words is "twenty billion, one hundred two million, seven hundred seventy-one thousand, three hundred sixty".