20292909201 has 12 divisors (see below), whose sum is σ = 29313215412. Its totient is φ = 13528035936.

The previous prime is 20292909149. The next prime is 20292909209. The reversal of 20292909201 is 10290929202.

It can be written as a sum of positive squares in 2 ways, for example, as 9220608576 + 11072300625 = 96024^2 + 105225^2 .

It is not a de Polignac number, because 20292909201 - 2¹⁹ = 20292384913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20292909209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387175 + ... + 436451.

It is an arithmetic number, because the mean of its divisors is an integer number (2442767951).

Almost surely, 2^20292909201 is an apocalyptic number.

It is an amenable number.

20292909201 is a deficient number, since it is larger than the sum of its proper divisors (9020306211).

20292909201 is a wasteful number, since it uses less digits than its factorization.

20292909201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95040 (or 95037 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 20292909201 in words is "twenty billion, two hundred ninety-two million, nine hundred nine thousand, two hundred one".