19020020132021 has 4 divisors (see below), whose sum is σ = 20021073823200. Its totient is φ = 18018966440844.

The previous prime is 19020020132011. The next prime is 19020020132023. The reversal of 19020020132021 is 12023102002091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19020020132021 - 2²² = 19020015937717 is a prime.

It is a super-2 number, since 2×19020020132021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19020020132023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500526845561 + ... + 500526845598.

It is an arithmetic number, because the mean of its divisors is an integer number (5005268455800).

Almost surely, 2^{19020020132021} is an apocalyptic number.

It is an amenable number.

19020020132021 is a deficient number, since it is larger than the sum of its proper divisors (1001053691179).

19020020132021 is a wasteful number, since it uses less digits than its factorization.

19020020132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001053691178.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 19020020132021 in words is "nineteen trillion, twenty billion, twenty million, one hundred thirty-two thousand, twenty-one".