2020153123451 has 8 divisors (see below), whose sum is σ = 2030492772000. Its totient is φ = 2009814334528.

The previous prime is 2020153123369. The next prime is 2020153123531. The reversal of 2020153123451 is 1543213510202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020153123451 is a prime.

It is a super-2 number, since 2×2020153123451² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020153120451) 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, 4795175 + ... + 5199423.

It is an arithmetic number, because the mean of its divisors is an integer number (253811596500).

Almost surely, 2^{2020153123451} is an apocalyptic number.

2020153123451 is a deficient number, since it is larger than the sum of its proper divisors (10339648549).

2020153123451 is a wasteful number, since it uses less digits than its factorization.

2020153123451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429813.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2020153123451 its reverse (1543213510202), we get a palindrome (3563366633653).

The spelling of 2020153123451 in words is "two trillion, twenty billion, one hundred fifty-three million, one hundred twenty-three thousand, four hundred fifty-one".