1077612020 has 24 divisors (see below), whose sum is σ = 2318181768. Its totient is φ = 420531200.

The previous prime is 1077612001. The next prime is 1077612023. The reversal of 1077612020 is 202167701.

It can be written as a sum of positive squares in 4 ways, for example, as 150896656 + 926715364 = 12284^2 + 30442^2 .

It is a super-2 number, since 2×1077612020² = 2322495331296960800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077612023) 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, 656261 + ... + 657900.

It is an arithmetic number, because the mean of its divisors is an integer number (96590907).

Almost surely, 2^1077612020 is an apocalyptic number.

1077612020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077612020 is an abundant number, since it is smaller than the sum of its proper divisors (1240569748).

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

1077612020 is a wasteful number, since it uses less digits than its factorization.

1077612020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314211 (or 1314209 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 1077612020 is about 32827.0013860541. The cubic root of 1077612020 is about 1025.2288269603.

Adding to 1077612020 its reverse (202167701), we get a palindrome (1279779721).

The spelling of 1077612020 in words is "one billion, seventy-seven million, six hundred twelve thousand, twenty".