20770536600 has 576 divisors, whose sum is σ = 80145093600. Its totient is φ = 4773888000.

The previous prime is 20770536583. The next prime is 20770536623. The reversal of 20770536600 is 663507702.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 35025904 + ... + 35026496.

Almost surely, 2^20770536600 is an apocalyptic number.

20770536600 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 20770536600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40072546800).

20770536600 is an abundant number, since it is smaller than the sum of its proper divisors (59374557000).

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

20770536600 is a wasteful number, since it uses less digits than its factorization.

20770536600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 20770536600 in words is "twenty billion, seven hundred seventy million, five hundred thirty-six thousand, six hundred".