20210142420452 has 12 divisors (see below), whose sum is σ = 35732365207980. Its totient is φ = 10000895218176.

The previous prime is 20210142420437. The next prime is 20210142420467. The reversal of 20210142420452 is 25402424101202.

It is an interprime number because it is at equal distance from previous prime (20210142420437) and next prime (20210142420467).

It can be written as a sum of positive squares in 2 ways, for example, as 3356605066816 + 16853537353636 = 1832104^2 + 4105306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26043997577 + ... + 26043998352.

It is an arithmetic number, because the mean of its divisors is an integer number (2977697100665).

Almost surely, 2^{20210142420452} is an apocalyptic number.

It is an amenable number.

20210142420452 is a deficient number, since it is larger than the sum of its proper divisors (15522222787528).

20210142420452 is a wasteful number, since it uses less digits than its factorization.

20210142420452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52087996030 (or 52087996028 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 20210142420452 its reverse (25402424101202), we get a palindrome (45612566521654).

The spelling of 20210142420452 in words is "twenty trillion, two hundred ten billion, one hundred forty-two million, four hundred twenty thousand, four hundred fifty-two".