20209770670 has 8 divisors (see below), whose sum is σ = 36377587224. Its totient is φ = 8083908264.

The previous prime is 20209770667. The next prime is 20209770689. The reversal of 20209770670 is 7607790202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010488524 + ... + 1010488543.

It is an arithmetic number, because the mean of its divisors is an integer number (4547198403).

Almost surely, 2^20209770670 is an apocalyptic number.

20209770670 is a deficient number, since it is larger than the sum of its proper divisors (16167816554).

20209770670 is a wasteful number, since it uses less digits than its factorization.

20209770670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020977074.

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 20209770670 in words is "twenty billion, two hundred nine million, seven hundred seventy thousand, six hundred seventy".