1020005622270 has 128 divisors (see below), whose sum is σ = 2847304949760. Its totient is φ = 259519680000.

The previous prime is 1020005622221. The next prime is 1020005622287. The reversal of 1020005622270 is 722265000201.

1020005622270 is a `hidden beast` number, since 10 + 2 + 0 + 0 + 0 + 5 + 622 + 27 + 0 = 666.

It is a super-2 number, since 2×1020005622270² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263931 + ... + 1452470.

It is an arithmetic number, because the mean of its divisors is an integer number (22244569920).

Almost surely, 2^{1020005622270} is an apocalyptic number.

1020005622270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020005622270 is an abundant number, since it is smaller than the sum of its proper divisors (1827299327490).

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

1020005622270 is a wasteful number, since it uses less digits than its factorization.

1020005622270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716519 (or 1716513 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The spelling of 1020005622270 in words is "one trillion, twenty billion, five million, six hundred twenty-two thousand, two hundred seventy".