20086498901 has 12 divisors (see below), whose sum is σ = 23467975020. Its totient is φ = 17141806080.

The previous prime is 20086498879. The next prime is 20086498933. The reversal of 20086498901 is 10989468002.

It can be written as a sum of positive squares in 2 ways, for example, as 15204123025 + 4882375876 = 123305^2 + 69874^2 .

It is not a de Polignac number, because 20086498901 - 2⁶ = 20086498837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20086468901) 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, 883820 + ... + 906261.

It is an arithmetic number, because the mean of its divisors is an integer number (1955664585).

Almost surely, 2^20086498901 is an apocalyptic number.

It is an amenable number.

20086498901 is a deficient number, since it is larger than the sum of its proper divisors (3381476119).

20086498901 is a wasteful number, since it uses less digits than its factorization.

20086498901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790324 (or 1790317 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 20086498901 in words is "twenty billion, eighty-six million, four hundred ninety-eight thousand, nine hundred one".