1051622072020 has 48 divisors (see below), whose sum is σ = 2402802209808. Its totient is φ = 384288215040.

The previous prime is 1051622071949. The next prime is 1051622072029. The reversal of 1051622072020 is 202702261501.

It can be written as a sum of positive squares in 8 ways, for example, as 535824 + 1051621536196 = 732^2 + 1025486^2 .

It is a super-2 number, since 2×1051622072020² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051622072020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051622072029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20823751 + ... + 20874190.

It is an arithmetic number, because the mean of its divisors is an integer number (50058379371).

Almost surely, 2^{1051622072020} is an apocalyptic number.

1051622072020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051622072020 is an abundant number, since it is smaller than the sum of its proper divisors (1351180137788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051622072020 is a wasteful number, since it uses less digits than its factorization.

1051622072020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41698060 (or 41698058 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 1051622072020 in words is "one trillion, fifty-one billion, six hundred twenty-two million, seventy-two thousand, twenty".