20735211000 has 128 divisors (see below), whose sum is σ = 73935912960. Its totient is φ = 4739472000.

The previous prime is 20735210989. The next prime is 20735211001. The reversal of 20735211000 is 11253702.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20735211001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472696 + ... + 514695.

It is an arithmetic number, because the mean of its divisors is an integer number (577624320).

Almost surely, 2^20735211000 is an apocalyptic number.

20735211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20735211000 is an abundant number, since it is smaller than the sum of its proper divisors (53200701960).

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

20735211000 is a wasteful number, since it uses less digits than its factorization.

20735211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987422 (or 987408 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

Adding to 20735211000 its reverse (11253702), we get a palindrome (20746464702).

The spelling of 20735211000 in words is "twenty billion, seven hundred thirty-five million, two hundred eleven thousand".