20078597201 has 16 divisors (see below), whose sum is σ = 23890495104. Its totient is φ = 16685416704.

The previous prime is 20078597197. The next prime is 20078597219. The reversal of 20078597201 is 10279587002.

It is a cyclic number.

It is not a de Polignac number, because 20078597201 - 2² = 20078597197 is a prime.

It is a super-3 number, since 3×20078597201³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20078597101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1969991 + ... + 1980156.

It is an arithmetic number, because the mean of its divisors is an integer number (1493155944).

Almost surely, 2^20078597201 is an apocalyptic number.

It is an amenable number.

20078597201 is a deficient number, since it is larger than the sum of its proper divisors (3811897903).

20078597201 is a wasteful number, since it uses less digits than its factorization.

20078597201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950200.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 20078597201 in words is "twenty billion, seventy-eight million, five hundred ninety-seven thousand, two hundred one".