20193150901 has 16 divisors (see below), whose sum is σ = 25185363840. Its totient is φ = 15728993280.

The previous prime is 20193150893. The next prime is 20193150911. The reversal of 20193150901 is 10905139102.

It is a happy number.

It is not a de Polignac number, because 20193150901 - 2³ = 20193150893 is a prime.

It is a super-2 number, since 2×20193150901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20193150911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162085 + ... + 258181.

It is an arithmetic number, because the mean of its divisors is an integer number (1574085240).

Almost surely, 2^20193150901 is an apocalyptic number.

It is an amenable number.

20193150901 is a deficient number, since it is larger than the sum of its proper divisors (4992212939).

20193150901 is a wasteful number, since it uses less digits than its factorization.

20193150901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98844.

The product of its (nonzero) digits is 2430, while the sum is 31.

The spelling of 20193150901 in words is "twenty billion, one hundred ninety-three million, one hundred fifty thousand, nine hundred one".