20021058700 has 18 divisors (see below), whose sum is σ = 43445697596. Its totient is φ = 8008423440.

The previous prime is 20021058677. The next prime is 20021058713. The reversal of 20021058700 is 785012002.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100105194 + ... + 100105393.

Almost surely, 2^20021058700 is an apocalyptic number.

20021058700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021058700 is an abundant number, since it is smaller than the sum of its proper divisors (23424638896).

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

20021058700 is a wasteful number, since it uses less digits than its factorization.

20021058700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200210601 (or 200210594 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The spelling of 20021058700 in words is "twenty billion, twenty-one million, fifty-eight thousand, seven hundred".