1900920013 has 8 divisors (see below), whose sum is σ = 1923944256. Its totient is φ = 1878004800.

The previous prime is 1900920001. The next prime is 1900920017. The reversal of 1900920013 is 3100290091.

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

It is a cyclic number.

It is not a de Polignac number, because 1900920013 - 2¹⁷ = 1900788941 is a prime.

It is a super-2 number, since 2×1900920013² = 7226993791647840338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1900920013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900920017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8098 + ... + 62188.

It is an arithmetic number, because the mean of its divisors is an integer number (240493032).

Almost surely, 2^1900920013 is an apocalyptic number.

It is an amenable number.

1900920013 is a deficient number, since it is larger than the sum of its proper divisors (23024243).

1900920013 is a wasteful number, since it uses less digits than its factorization.

1900920013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54515.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1900920013 is about 43599.5414310747. The cubic root of 1900920013 is about 1238.7622085027.

The spelling of 1900920013 in words is "one billion, nine hundred million, nine hundred twenty thousand, thirteen".